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CriminologyCriminology1,353 views·Updated 15 Aug 2026·2 pages

Understanding Criminology: Unit 4 AC1.2

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Louise@louise_studies

The criminal justice system is a complex network of agencies...

1
of 2
Unit 4 AC1.2 – page 1

Agency Relationships and Collaboration

Think of the criminal justice system as a massive team where everyone has to work together - and the relationships between agencies are absolutely crucial for getting results. Police and the Crown Prosecution Service (CPS) have one of the closest working relationships, with police providing evidence and the CPS advising on what additional evidence might be needed to build a strong case.

HM Prison Service doesn't just lock people up - they're constantly coordinating with other agencies. They hold prisoners who need to attend court, arrange video links so inmates can give evidence, and work with police when prisoners need to be interviewed about other crimes. When it's time for release, they liaise closely with the National Probation Service.

The National Probation Service acts as a bridge between prison and freedom, supervising offenders on licence and preparing those crucial pre-sentencing reports that help judges decide punishments. Meanwhile, victim support charities work alongside police and the CPS to ensure victims aren't forgotten during investigations and trials.

Key Point: These agencies don't work in isolation - successful prosecutions depend on seamless cooperation between police, CPS, courts, and support services.

2
of 2
Unit 4 AC1.2 – page 2

Individual Agency Roles and Law Creation

Each agency in the criminal justice system has distinct responsibilities that keep the whole system functioning. Police are your frontline enforcers - they investigate crimes, arrest suspects, and can issue cautions or penalties directly without involving other agencies. However, for serious cases, they send files to the CPS.

The CPS acts as the decision-maker for prosecutions, using the full code test to determine whether cases should go to court and what charges to bring. They then prepare and present cases in court, working to secure convictions. Courts themselves handle the administration and decision-making, with magistrates and judges determining guilt and appropriate sentences.

Law creation happens at different levels within the system. Parliament creates the foundation by passing Acts, but judges also create law through precedents - their decisions in cases that become binding for future similar situations. This means the law is constantly evolving based on real cases.

Behind the scenes, the Ministry of Justice and Home Office oversee everything, setting priorities and ensuring the system runs smoothly. It's like having managers who coordinate between all the different teams to maintain efficiency and effectiveness.

Remember: While each agency has specific roles, the system only works when they all coordinate effectively - from arrest to final sentence.

We thought you’d never ask...

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CriminologyCriminology1,353 views·Updated 15 Aug 2026·2 pages

Understanding Criminology: Unit 4 AC1.2

user profile picture
Louise@louise_studies

The criminal justice system is a complex network of agencies that work together to catch criminals, prosecute cases, and deliver justice. Understanding how these different organisations collaborate and their individual roles is crucial for grasping how law and order actually...

1
of 2
Unit 4 AC1.2 – page 1

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Agency Relationships and Collaboration

Think of the criminal justice system as a massive team where everyone has to work together - and the relationships between agencies are absolutely crucial for getting results. Police and the Crown Prosecution Service (CPS) have one of the closest working relationships, with police providing evidence and the CPS advising on what additional evidence might be needed to build a strong case.

HM Prison Service doesn't just lock people up - they're constantly coordinating with other agencies. They hold prisoners who need to attend court, arrange video links so inmates can give evidence, and work with police when prisoners need to be interviewed about other crimes. When it's time for release, they liaise closely with the National Probation Service.

The National Probation Service acts as a bridge between prison and freedom, supervising offenders on licence and preparing those crucial pre-sentencing reports that help judges decide punishments. Meanwhile, victim support charities work alongside police and the CPS to ensure victims aren't forgotten during investigations and trials.

Key Point: These agencies don't work in isolation - successful prosecutions depend on seamless cooperation between police, CPS, courts, and support services.

2
of 2
Unit 4 AC1.2 – page 2

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students

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Individual Agency Roles and Law Creation

Each agency in the criminal justice system has distinct responsibilities that keep the whole system functioning. Police are your frontline enforcers - they investigate crimes, arrest suspects, and can issue cautions or penalties directly without involving other agencies. However, for serious cases, they send files to the CPS.

The CPS acts as the decision-maker for prosecutions, using the full code test to determine whether cases should go to court and what charges to bring. They then prepare and present cases in court, working to secure convictions. Courts themselves handle the administration and decision-making, with magistrates and judges determining guilt and appropriate sentences.

Law creation happens at different levels within the system. Parliament creates the foundation by passing Acts, but judges also create law through precedents - their decisions in cases that become binding for future similar situations. This means the law is constantly evolving based on real cases.

Behind the scenes, the Ministry of Justice and Home Office oversee everything, setting priorities and ensuring the system runs smoothly. It's like having managers who coordinate between all the different teams to maintain efficiency and effectiveness.

Remember: While each agency has specific roles, the system only works when they all coordinate effectively - from arrest to final sentence.

We thought you’d never ask...

Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.

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