Guidance for PIP2 Investigators
Modern Slavery and Human Trafficking — Authorised Professional Practice
Summary
This guidance is designed for PIP2 investigators dealing with cases of Modern Slavery and Human Trafficking (MSHT). It outlines key considerations for safeguarding victims, gathering evidence, and applying legal measures under the Modern Slavery Act 2015. Investigators are recommended to follow a structured approach that includes assessing threat and risk, understanding the victim's circumstances, and engaging with various agencies for support. Key strategies include developing a victim strategy, utilizing a 4P approach (Pursue, Prepare, Protect, Prevent), and considering partnerships and intelligence sharing to effectively manage complex investigations.
Key principles
- 1Investigators must assess the threat, risk, and harm to victims while gathering evidence.
- 2Safeguarding victims should be prioritized throughout the investigation process.
- 3Utilizing the 4P approach aids in managing investigations effectively.
- 4Engagement with partners and agencies is crucial for effective information sharing.
- 5Investigators should maintain a focus on evidence-led practices, even when victims are reluctant to cooperate.
Defined terms
- 4P approach
- A strategic framework to pursue suspects, prepare for crime, protect potential victims, and prevent engagement in criminal activities.
- Modern Slavery Act 2015
- Legislation that provides the legal framework for tackling modern slavery and human trafficking offenses.
- Victim immigration status
- Refers to the immigration status of individuals who may be victims of modern slavery and how it affects their ability to seek help.
- Slavery and trafficking prevention order
- A legal order that aims to prevent an individual from committing further modern slavery offences.
- National referral mechanism (NRM)
- A framework for identifying victims of modern slavery and ensuring they receive appropriate support.
This is a brief, factual summary. The full APP guidance — including operational detail, statutory references and case studies — lives on the College of Policing website. APP is the authoritative source for UK policing practice.
Read the full APP guidanceSource: College of Policing — Authorised Professional Practice · Crown copyright, licensed under Open Government Licence v3.0. Summary fetched 2026-06-27.