Criminal Justice System in Practice: UKZN LLB Criminal Procedure and Criminal Justice Study Pack

This study pack provides a structured, exam-focused guide to the criminal justice system in practice, with particular relevance to University of KwaZulu-Natal law students studying Criminal Procedure, Criminal Law, and related public law modules. It explains how the system operates from reporting and investigation through arrest, bail, prosecution, trial, sentencing, and correctional supervision, while also highlighting constitutional rights, institutional roles, and practical problem areas in South African criminal justice. The emphasis is on understanding not only what the law says, but how the law works in real life, where delays, discretion, and inequality often shape outcomes.

1. The Criminal Justice System as an Integrated Process

The criminal justice system is not a single institution but a chain of connected institutions and procedures designed to respond to alleged crime in a lawful and orderly way. In South Africa, that chain is shaped by the Constitution of the Republic of South Africa, 1996, the Criminal Procedure Act 51 of 1977, the South African Police Service Act 68 of 1995, the National Prosecuting Authority Act 32 of 1998, the Correctional Services Act 111 of 1998, and a range of case law that gives practical meaning to constitutional rights. The system is supposed to balance three competing goals: protecting the public, respecting the rights of accused persons, and ensuring that victims receive justice.

1.1 The main institutions and their functions

The criminal justice system involves several institutional actors, each with a distinct function:

South African Police Service (SAPS): investigates crime, gathers evidence, arrests suspects, and maintains order.
National Prosecuting Authority (NPA): decides whether to prosecute and presents the state’s case in court.
Courts: determine guilt or innocence and impose sentence if the accused is convicted.
Legal Aid South Africa and private defence lawyers: ensure representation for accused persons.
Department of Correctional Services: manages prisons, remand detention, and rehabilitation.
Independent Police Investigative Directorate (IPID): investigates misconduct by police and certain serious complaints.
Victims and witnesses: provide evidence, participate in processes, and are affected by outcomes.
Civil society and oversight bodies such as the South African Human Rights Commission: monitor rights compliance and institutional accountability.

A useful way to understand the system is to see it as a process rather than a list of bodies. Crime is reported or detected, police investigate, a suspect may be arrested, the matter is assessed by prosecutors, the court supervises pre-trial decisions like bail, a trial is held if the matter proceeds, and sentence is imposed if conviction follows. At each stage, constitutional rights and evidentiary rules influence what may lawfully happen.

1.2 The constitutional framework

The Bill of Rights is central to criminal justice practice. Several rights are especially important:

Equality: section 9 prohibits unfair discrimination, including in policing and sentencing outcomes.
Dignity: section 10 protects every person’s inherent dignity, even after arrest or conviction.
Freedom and security of the person: section 12 protects against arbitrary deprivation of liberty.
Privacy: section 14 matters in searches, seizures, and surveillance.
Access to courts: section 34 ensures disputes are resolved in a fair public hearing.
Rights of arrested, detained, and accused persons: section 35 provides specific guarantees, including the right to remain silent, the right to legal representation, the right to be brought before court within 48 hours, and the right to a fair trial.

These rights do not make prosecution impossible. Instead, they require the state to act lawfully, rationally, and fairly. In practice, much criminal procedure is about operationalising these rights in ordinary cases: a lawful arrest, a proper warning statement, admissible evidence, a fair bail hearing, and a trial where the accused can challenge the state’s case.

1.3 The practical path of a criminal case

A criminal case usually moves through the following stages:

Detection or reporting of an alleged offence.
Investigation by SAPS or another authorised body.
Arrest or summons, depending on the circumstances.
First appearance in court and possible release, bail, or remand.
Decision to prosecute by the NPA.
Pre-trial procedures, including disclosure and legal consultation.
Trial, where evidence is led and challenged.
Verdict of guilty or not guilty.
Sentencing if the accused is convicted.
Appeal or review if grounds exist.
Imprisonment, correctional supervision, or other sentence administration.

Each stage contains points of possible failure. Evidence may be lost, suspects may be unlawfully detained, witnesses may withdraw, docket quality may be poor, or backlogs may delay trial. These practical realities matter because criminal justice is not only about legal doctrine; it is also about institutional performance.

1.4 The system’s underlying tensions

Several tensions shape criminal justice in practice:

Public safety versus individual liberty

The state has a legitimate interest in preventing and punishing crime, especially violent crime. However, liberty cannot be sacrificed merely for convenience or suspicion. Arrest and detention must be justified.

Efficiency versus fairness

Courts and prosecutors face heavy caseloads, which creates pressure for speed. Yet rushing a matter can violate rights or produce wrongful convictions. Fairness requires adequate preparation, disclosure, and hearing time.

Discretion versus consistency

Police decide whom to arrest, prosecutors decide whom to charge, magistrates decide bail and sentence, and correctional authorities decide on custody management. Discretion is necessary, but it can create inconsistency and unequal outcomes if not properly guided.

Rights versus resource constraints

The Constitution promises a fair trial, but the reality includes overcrowded courts, under-resourced legal aid, and investigative backlogs. Many systemic weaknesses are linked to resource limits rather than legal principles.

1.5 The importance of criminal justice in a constitutional state

In a constitutional democracy, the criminal justice system is one of the clearest tests of whether the state respects human rights. If police abuse power, if prosecutors act without independence, or if courts cannot control unlawful detention, the legitimacy of the whole system weakens. For that reason, the criminal justice process is not merely technical. It reflects the state’s commitment to legality, accountability, and equal justice.

A strong exam answer should therefore show that criminal justice is both:

a legal process governed by statutes and cases, and
a social institution affected by inequality, public fear of crime, and administrative capacity.

2. Investigation, Arrest, Search, and Pre-Trial Policing

The earliest phase of the criminal justice system is often the most important, because mistakes made here can affect the entire case. Poor evidence collection, illegal searches, improper arrests, and weak case preparation frequently lead to acquittals or withdrawn charges later. For law students, this stage requires careful attention to constitutional rights and the rules governing police powers.

2.1 Investigation and the gathering of evidence

Investigation begins when police receive a complaint, notice suspicious conduct, or respond to a scene. The purpose is to collect information that can support prosecution or clear a suspect. Investigators may interview witnesses, inspect the scene, collect physical exhibits, take photographs, record statements, obtain forensic analysis, and compare accounts.

Good investigation requires:

identifying the elements of the offence,
preserving the scene,
preventing contamination of evidence,
recording times, dates, and witness details accurately,
maintaining a chain of custody for exhibits,
separating witnesses to avoid collusion,
and documenting all steps in the docket.

The docket is essential in South African practice. It contains statements, occurrence records, arrest details, forensic requests, and later prosecutorial notes. A weak docket often means a weak case. If witness statements are incomplete, if exhibits are not linked to the accused, or if the sequence of events is unclear, the prosecutor may have to withdraw or postpone the matter.

2.2 Arrest: lawful limits and practical significance

An arrest is one of the most intrusive powers in criminal justice. It deprives a person of liberty and therefore must be justified by law. Arrest may be effected with or without a warrant, depending on the circumstances.

Common grounds include:

commission of an offence in the presence of a peace officer,
reasonable suspicion of certain offences,
arrest under a warrant issued by a court,
and, in some cases, arrest for failure to comply with lawful process.

The Constitution requires that an arrested person be informed promptly of the reason for arrest and that the arrest not be arbitrary. The key practical issue is whether the arresting officer had a lawful basis and whether the arrest was used for a proper purpose rather than as punishment before trial.

Why lawful arrest matters

If an arrest is unlawful, it may expose the state to civil liability and can undermine the admissibility or weight of evidence. More importantly, unlawful arrest damages trust in police legitimacy. In practice, many defence arguments begin by challenging the basis of arrest, especially where the suspect was cooperative, where there was no urgency, or where less intrusive methods such as summons or warning could have been used.

2.3 Searches, seizures, and privacy

Searches and seizures are closely linked to arrest and investigation. Police may search a person, a vehicle, a home, or property when authorised by law. Because section 14 of the Constitution protects privacy, searches must generally be based on:

a valid warrant,
lawful consent,
or a statutory exception such as urgency or search incident to arrest.

Evidence obtained through an unlawful search may be excluded if admitting it would render the trial unfair or damage the administration of justice. The practical point is that the state must obey procedure even when the evidence seems strong.

A common examination scenario involves police entering a suspect’s home without a warrant, searching bedrooms, and seizing a phone or firearm. The legal analysis should ask:

Was there consent?
Was there a valid warrant?
Did an exception apply?
Was the search proportionate and rational?
Should the evidence be excluded?

2.4 Police powers, discretion, and abuse

Police officers exercise wide discretion. They decide whom to stop, whom to question, whether to release a person with a warning, and whether to effect arrest. Discretion is necessary because police cannot be guided by rigid rules in every situation. However, discretion can be abused through:

corruption,
racial profiling,
extortion,
excessive force,
fabrication of statements,
or selective enforcement.

This is why oversight matters. IPID investigates serious misconduct, while internal disciplinary systems address professional breaches. Civil courts may also provide remedies for unlawful arrest, malicious prosecution, and assault.

2.5 The first appearance and pre-trial detention

After arrest, the accused must usually be brought before a court as soon as reasonably possible, and in any event within 48 hours, excluding certain non-court days in the statutory calculation. At the first appearance, the court considers:

identity of the accused,
the charge,
legal representation,
bail,
whether the matter can be finalised,
and the remand date if necessary.

This stage is critical because many accused persons spend significant time in remand detention. If legal representation is absent or weak, the accused may remain detained unnecessarily. In practice, the first appearance is often brief, but it may determine whether the accused spends weeks or months in custody pending trial.

2.6 Bail as the bridge between liberty and prosecution

Bail is not a release from responsibility; it is a mechanism ensuring the accused attends trial while avoiding unnecessary detention before conviction. Bail decisions involve a balance between:

the presumption of innocence,
the risk of flight,
the risk of interference with witnesses,
the seriousness of the offence,
the safety of the public,
and the interests of justice.

South African law distinguishes between ordinary bail matters and more serious cases, where the accused must show why release is justified. The practical effect is that the burden may shift depending on the charge.

Typical bail considerations

fixed address or stable residence,
employment,
family responsibilities,
prior convictions,
previous failure to appear,
strength of the prosecution case,
access to travel documents,
and danger to the complainant or witnesses.

A useful exam approach is to distinguish bail as a rights issue from bail as a risk management issue. The accused has a liberty interest, but the court must protect the integrity of the trial and public safety.

2.7 Common procedural failures in pre-trial practice

The most frequent problems include:

poor drafting of charge sheets,
delays in obtaining forensic reports,
incomplete witness statements,
lost exhibits,
unlawful detention before first appearance,
repeated postponements for “further investigation,”
and failure to consult with witnesses early enough.

These failures often have practical consequences:

prosecution withdrawals,
case backlogs,
witness fatigue,
lost public confidence,
and increased remand costs.

For exam purposes, it is helpful to explain how early-stage weakness can affect final outcomes. For example, if an arresting officer fails to record the reason for stopping a suspect and fails to preserve body-worn footage, the defence may challenge the reliability of the entire prosecution narrative. Similarly, if a drug seizure is not properly documented from the scene to the forensic laboratory, the state may struggle to prove continuity and integrity of the exhibit.

3. The Prosecutorial Function, Trial Procedure, and the Law of Evidence

If police investigate and arrest, prosecutors decide whether the state will proceed to trial. This stage is a central point of discretion, because not every reported crime becomes a prosecution. A sound understanding of prosecution and trial procedure requires knowledge of the role of the National Prosecuting Authority, the structure of criminal courts, and the rules of evidence that govern how guilt is proved.

3.1 The National Prosecuting Authority and prosecutorial discretion

The National Prosecuting Authority (NPA) acts on behalf of the state in criminal proceedings. Its constitutional and statutory function is to institute criminal proceedings on behalf of the state, carry out necessary functions connected with such proceedings, and discontinue proceedings when appropriate.

Prosecutorial discretion includes:

deciding whether to prosecute,
determining the charge,
deciding whether to accept a plea,
deciding which witnesses to call,
and assessing whether evidence is sufficient and admissible.

This discretion is not unlimited. It must be exercised independently, impartially, and in the interests of justice. Prosecutors should not pursue weak cases merely to satisfy public pressure. They should also not abandon strong cases without good reason.

3.2 The prosecution’s role in preparing a case

Before trial, the prosecutor must review the docket and assess:

whether the elements of the offence can be proved,
whether the evidence is lawful and reliable,
whether witnesses are available,
and whether any constitutional or evidentiary problem may arise.

The prosecutor’s task is not simply to obtain convictions. It is to present the truth fairly and ensure that the court has enough admissible evidence to reach a just verdict. That distinction matters. A prosecutor who ignores exculpatory material or pressures witnesses undermines the integrity of the system.

3.3 The criminal trial process

A criminal trial usually follows a sequence:

Arraignment or plea: the charge is put to the accused.
Plea explanation: the accused may admit, deny, or raise a special plea.
State case: the prosecution leads evidence first.
Cross-examination: the defence challenges each state witness.
Defence case: the accused may testify, call witnesses, or remain silent.
Closing arguments: both sides address the court.
Judgment: the court decides guilt or innocence.

South African criminal procedure is adversarial in form. That means the parties present competing versions, and the court acts as an impartial decision-maker. However, it is not a purely passive system. The court must ensure fairness, control proceedings, and apply the law correctly.

3.4 The presumption of innocence and the burden of proof

The presumption of innocence is a foundational rule. The accused is presumed innocent until proved guilty beyond reasonable doubt. This has several consequences:

the state bears the burden of proof,
the accused need not prove innocence,
silence cannot automatically be treated as guilt,
and doubt must be resolved in favour of the accused if it is reasonable.

The standard of proof is not balance of probabilities. It is higher than that. The court must be satisfied that the state’s evidence excludes reasonable doubt based on the totality of the evidence.

Why this matters in practice

A case may appear strong on police suspicion, but trial proof may still fail. For example:

an eyewitness may be mistaken,
a confession may be inadmissible,
a forensic report may be inconclusive,
or the chain of evidence may be broken.

The legal system therefore distinguishes between suspicion, probable cause, and proof beyond reasonable doubt.

3.5 Evidence: relevance, admissibility, and weight

Evidence must be evaluated in three stages:

Relevance: does it logically relate to a fact in issue?
Admissibility: is it legally allowed in court?
Weight: how persuasive is it?

Not all relevant evidence is admissible. Some evidence is excluded because it is hearsay, privileged, improperly obtained, or too prejudicial. Admissibility rules help preserve fairness and reliability.

Common forms of evidence

oral testimony,
real evidence such as exhibits,
documentary evidence,
admissions and confessions,
expert evidence,
identification evidence,
and circumstantial evidence.

3.6 Confessions, admissions, and cautionary issues

A confession is a full acknowledgment of guilt, while an admission is an acknowledgment of some fact that may support the case. Confessions are highly significant but must be obtained lawfully and voluntarily. A confession made under duress, assault, or improper inducement is not reliable and may be excluded.

Identification evidence is another major cautionary area. A witness may sincerely believe a person is the offender, yet mistakes can occur due to stress, lighting, distance, or fleeting observation. Courts therefore treat visual identification with care, especially where the case depends heavily on a single witness.

3.7 Hearsay and expert evidence

Hearsay is an out-of-court statement tendered to prove the truth of its contents. It is generally restricted because the maker is not subject to cross-examination. However, statutory and common-law exceptions may allow it in the interests of justice.

Expert evidence is admitted when specialized knowledge is required, such as:

pathology,
ballistics,
DNA analysis,
toxicology,
fingerprints,
digital forensics,
or handwriting comparison.

The court is not bound to accept expert opinion automatically. It must still assess methodology, qualifications, and consistency with the facts.

3.8 Cross-examination as a truth-testing tool

Cross-examination is one of the most important mechanisms in criminal trials. It tests:

memory,
honesty,
consistency,
bias,
and the reliability of observation.

A defence counsel may challenge a witness by pointing out inconsistencies, prior contradictions, motive to lie, or gaps in perception. Cross-examination is not merely aggressive questioning; it is a structured method of testing whether the state has discharged the burden of proof.

3.9 The accused’s right to silence and right to testify

The accused may remain silent, testify, or call evidence. Silence cannot automatically fill gaps in the prosecution case. However, if the state has made out a prima facie case and the accused elects not to answer important issues, the court may evaluate the strength of the state’s evidence against the absence of rebuttal. The key is that silence itself is not proof of guilt, but it may leave the prosecution case unchallenged.

3.10 Trial fairness and judicial control

The presiding officer must ensure a fair hearing by:

ruling on admissibility,
controlling irrelevant or abusive questioning,
ensuring that the accused understands the process,
managing delays,
and safeguarding constitutional rights.

A fair trial is not a benefit granted at the court’s discretion; it is a constitutional entitlement. Where fairness is compromised, the conviction may be unsafe even if the accused appears morally blameworthy.

4. Sentencing, Correctional Practice, and the Purposes of Punishment

If the accused is convicted, the case moves into the sentencing phase. This is one of the most difficult parts of criminal justice because sentencing must reconcile many objectives at once: deterrence, prevention, retribution, rehabilitation, and restorative justice. South African sentencing practice is guided by statute, case law, and constitutional values, and it requires individualized assessment rather than mechanical punishment.

4.1 The sentencing court’s role

The court must decide what sentence is appropriate for the particular offender, offence, and circumstances. Sentencing is not automatic. Two people convicted of the same offence may receive different sentences because of differences in age, remorse, record, role in the offence, harm caused, or prospects of rehabilitation.

Sentencing must also be rational and proportionate. An excessively harsh sentence may violate dignity and proportionality, while an unduly lenient sentence may undermine deterrence and public confidence.

4.2 The triad of sentencing factors

A classic way to analyse sentencing is the triad of factors:

the crime,
the offender,
the interests of society.

The crime

This includes the seriousness of the offence, the violence involved, the harm caused, the degree of planning, and the impact on the victim.

The offender

This includes age, background, employment, dependants, previous convictions, remorse, and prospects of reform.

The interests of society

This includes public protection, general deterrence, respect for the law, and the broader need for justice in a constitutional order.

4.3 Sentencing options in South African practice

Common sentencing options include:

direct imprisonment,
suspended sentence,
correctional supervision,
a fine,
community-based penalties,
diversion in appropriate cases,
and mandatory minimum sentences in specified cases.

The court must choose a sentence that is appropriate and lawful. In some serious offences, legislation prescribes minimum sentences unless substantial and compelling circumstances justify a departure. This has generated debate because minimum sentences can promote consistency but may reduce judicial flexibility.

4.4 Correctional supervision and non-custodial sanctions

Correctional supervision is an important alternative to imprisonment. It may involve house arrest, community service, reporting obligations, treatment conditions, and structured monitoring. Non-custodial sanctions can reduce overcrowding, maintain family ties, and support rehabilitation. They are especially relevant where the offender is less dangerous, the offence is less serious, or imprisonment would be disproportionate.

Non-custodial sentencing reflects the idea that punishment should not always mean incarceration. A court may find that structured supervision better serves both society and the offender than a short prison sentence that disrupts employment without promoting reform.

4.5 Imprisonment and correctional realities

Prison is the most severe common sentence. It removes liberty and exposes the offender to the correctional system. In theory, imprisonment should punish, incapacitate, and create opportunities for rehabilitation. In practice, South African prisons face overcrowding, staffing pressures, gang dynamics, health risks, and limited rehabilitative resources.

These realities matter for sentencing because courts should not impose imprisonment lightly where another sentence would achieve the same legitimate goals with less harm. However, for very serious offences, especially violent or repeat offences, imprisonment may be necessary to protect society and express condemnation.

4.6 Victim impact and restorative justice

Modern sentencing increasingly recognises the harm suffered by victims. Victims may make statements about the physical, psychological, and financial impact of the offence. This does not mean that victims dictate sentence, but their experience is relevant.

Restorative justice approaches seek to repair harm through accountability, apology, restitution, mediation, and reintegration where appropriate. These approaches work best in suitable cases and cannot replace punishment in all matters, especially where violence, coercion, or serious public harm is involved.

4.7 Sentence mitigation and aggravation

The court may consider mitigating factors such as:

first offender status,
youth,
guilty plea,
remorse,
restitution,
provocation,
cooperation with authorities,
and stable family responsibilities.

Aggravating factors may include:

prior convictions,
violence,
premeditation,
abuse of trust,
vulnerability of the victim,
and lack of remorse.

A well-structured sentence argument should connect these factors to the purposes of punishment rather than listing them mechanically.

4.8 Appeals and sentence review

A sentence may be challenged if it is disturbingly inappropriate, based on misdirection, or inconsistent with law. Appeal courts do not lightly interfere with sentencing discretion, but they may intervene where the sentence is strikingly severe or lenient, or where the trial court failed to consider relevant factors.

This means sentencing is not purely subjective. It is guided by principle, fairness, and appellate oversight.

5. Challenges, Reform, and Exam Problem-Solving in Criminal Justice

The practical reality of criminal justice in South Africa is that the system often performs unevenly. Law students must be able to explain not only doctrine but also the pressures that shape real cases: inequality, backlogs, poor investigations, public distrust, and resource scarcity. A strong exam answer should show an awareness of system-wide problems and how legal rules respond to them.

5.1 Major practical challenges

1. Delays and backlogs

Courts often face overloaded rolls. Delays weaken witness memory, increase remand detention, and can result in withdrawn charges. A delayed trial is not automatically unfair, but delay is a serious practical and constitutional problem.

2. Poor-quality investigations

If the investigation is incomplete, the prosecution case may collapse. Common problems include missing statements, poor exhibit handling, and failure to link the accused to the crime scene.

3. Overcrowding in detention facilities

Remand and sentenced facilities are frequently overcrowded. Overcrowding affects dignity, health, safety, and rehabilitation.

4. Unequal access to legal representation

Although legal aid exists, resource constraints mean some accused persons still face the system with limited assistance. This affects bail, plea decisions, and trial fairness.

5. Violence and intimidation

Witnesses may be afraid to testify. In gang-related or organised-crime matters, intimidation can be severe and may distort outcomes.

6. Corruption and misconduct

Bribery, docket manipulation, and unlawful police conduct erode confidence and can distort justice outcomes.

5.2 Institutional accountability and oversight

A criminal justice system cannot function well without oversight. Accountability mechanisms include:

internal police discipline,
IPID investigations,
court scrutiny of evidence and procedure,
appellate review,
judicial review,
parliamentary oversight,
and civil claims for unlawful conduct.

These mechanisms matter because they deter abuse and provide remedies when rights are violated. In practice, oversight is also a signal that no institution is above the law.

5.3 The role of constitutional litigation

Constitutional litigation has shaped criminal justice by clarifying rights and limiting state power. Issues commonly litigated include:

unlawful arrest,
unreasonable delay,
denial of bail,
invalid searches,
admissibility of confessions,
unfair trial procedures,
and prison conditions.

The Constitution thus acts not only as a statement of values but as an enforceable legal tool. Courts use constitutional reasoning to ensure that criminal justice remains lawful and humane.

5.4 How to answer criminal justice exam questions

A strong exam answer should follow a disciplined method.

Step 1: Identify the procedural stage

Ask whether the facts concern investigation, arrest, bail, trial, sentence, or appeal.

Step 2: State the relevant legal issue

For example:

Was the arrest lawful?
Was the search valid?
Is the confession admissible?
Was the accused denied a fair trial?
Is the sentence appropriate?

Step 3: Apply the correct legal rules

Use the Constitution, the Criminal Procedure Act, and leading principles of evidence.

Step 4: Apply the facts

Do not give general law only. Match the rule to the facts precisely. If a suspect was detained for 72 hours without a court appearance and no exception applies, identify the breach clearly.

Step 5: Reach a reasoned conclusion

Provide a balanced conclusion that explains the likely legal outcome and why.

5.5 Common problem-question themes

Unlawful arrest scenario

A suspect is stopped without reasonable grounds, searched, arrested, and detained overnight. The answer should discuss lawful grounds for arrest, the need for reasonableness, and possible constitutional infringement.

Bail scenario

An accused charged with a serious violent offence seeks release. The answer should discuss the bail test, risk factors, public safety, and whether conditions may mitigate risk.

Confession scenario

A suspect confesses after prolonged interrogation without proper safeguards. The answer should examine voluntariness, possible inducement, and admissibility.

Identification scenario

A single witness identifies the accused after a brief night-time encounter. The answer should address reliability, cautionary rules, and the danger of mistaken identity.

Sentence scenario

An offender pleads guilty, is a first offender, and has dependants, but the offence caused serious harm. The answer should apply the triad of sentencing factors and explain whether imprisonment or an alternative sentence is justified.

5.6 A concise comparison of key stages

Stage	Main actor	Main legal question	Common risk	Practical remedy
Investigation	SAPS	Is there enough lawful evidence?	Poor docket, lost exhibits	Better forensic handling, supervision
Arrest	SAPS	Was liberty lawfully deprived?	Arbitrary or abusive arrest	Bail, exclusion, civil claim
Bail	Court	Should the accused remain free pending trial?	Flight risk or witness intimidation	Conditions, sureties, reporting
Trial	Court and parties	Has guilt been proved beyond reasonable doubt?	Weak evidence, unfair procedure	Cross-examination, rulings, acquittal
Sentence	Court	What punishment is proportionate?	Excessive or inadequate sentence	Appeal, review
Corrections	Department of Correctional Services	How is the sentence carried out?	Overcrowding, poor rehabilitation	Oversight, parole, reform

5.7 High-yield revision points

The criminal justice system is a process, not just a set of institutions.
Section 35 of the Constitution is central to arrests, detention, bail, and fair trial rights.
Police discretion must be lawful and rational.
Prosecutors must pursue cases only where evidence justifies it.
The burden of proof remains on the state throughout the trial.
Evidence must be relevant, admissible, and reliable.
Sentencing must be individualized and proportionate.
Correctional practice is part of criminal justice, not separate from it.
Systemic problems such as delay, overcrowding, and poor investigation affect justice in practice.
Exam answers should always link law to facts and principle to outcome.

5.8 Final synthesis for revision

The criminal justice system in practice is best understood as a sequence of decisions made under legal constraint. At each stage, someone exercises power: the police investigate and arrest, prosecutors decide whether to charge, courts decide bail and verdict, and correctional authorities enforce sentence. Because these decisions affect liberty, dignity, and security, the Constitution insists on legality, fairness, and accountability.

For exam purposes, the strongest answers do more than recite rules. They explain how institutions interact, why rights matter, where procedure can fail, and how courts respond when the state overreaches. A good legal analysis should always show that criminal justice is not only about crime control. It is also about the rule of law, the presumption of innocence, and the disciplined use of public power in a constitutional democracy.