Modern slavery index



1 Slavery

2 Servitude

3 Forced or compulsory labour

4 Human trafficking

4.1 Distinction between human trafficking and smuggling

Key responsibilities

1 General

2 Role-specific

3 National occupational standards

Modern Slavery Act 2015

Risk and identification

1 Victim profile

2 Control methods

3 Exploitation indicators

Reporting and first contact

First response and the national referral mechanism

1 First responders

1.1 Responding to all potential victims

1.1.1 Interview

1.2 Responding to potential child victims

1.2.1 Age assessment

1.2.2 Interview

1.3 Responding to perpetrators who may also be victims

2 Making a referral

2.1 Guidelines for completing a national referral form

3 Competent authorities

4 National referral process

4.1 Stage 1 – Reasonable grounds decision

4.1.1 Positive reasonable grounds decision

4.1.2 Negative reasonable grounds decision

4.2 Stage 2 – Conclusive grounds decision

4.2.1 Positive conclusive grounds decision

4.2.2 Negative conclusive grounds decision


1 Considerations

2 Lines of enquiry

3 Planned operations

3.1 Executing a warrant

4 Support functions

5 Crime scene

5.1 Checklist

5.2 Evidential items

6 Intelligence opportunities

7 Challenges and solutions

8 Cross-border investigations

8.1 Joint investigation team

Suspect strategy

Victim and witness strategy

1 Care

1.1 Charities and non-governmental organisations

1.2 Support leaflets


1 Arrest and charging

2 Prosecution

2.1 Effective early consultation between the police and the Crown Prosecution Service (CPS)/Public Prosecution Service for Northern Ireland (PPSNI)

2.2 Early case conferences

2.3 Early applications for special measures

2.4 Early applications for discretionary leave to remain

2.5 Early applications for witness anonymity (applicable in the UK only)

2.6 Acceptance of successful hearsay applications for the evidence of a victim

2.7 Considerations in cases of child trafficking

2.8 Ensuring that key information and relevant unused material has been obtained

2.9 Non-criminalisation of victims

2.10 Slavery and trafficking reparation orders

2.11 Repatriation

Partner agencies

1 Crown Prosecution Service complex case units

2 Crown Prosecution Service liaison magistrates

3 Public Prosecution Service Northern Ireland (PPSNI)

4 Crown Office and Procurator Fiscal Service (COPFS) in Scotland

5 Gangmasters Licensing Authority (GLA)

6 Home Office Command and Control Unit

7 Home Office Immigration Compliance and Enforcement ‒ Risk and Liaison Overseas Network (RALON)

8 National Document Fraud Unit

9 NCA CEOP Command

10 The Salvation Army

11 UK Human Trafficking Centre (UKHTC)

12 UK Missing Persons Bureau

13 UK Visas and Immigration (UKVI)

List of anti-slavery charities and non-governmental organisations

1 Africans Unite Against Child Abuse (AFRUCA)

2 Anti-Slavery International

3 Ashiana Sheffield

4 Barnardo’s

5 Black Association of Women Step Out (Bawso)

6 Caritas Bakhita House

7 Eaves’ Poppy Project


9 Helen Bamber Foundation

10 Hope for Justice

11 Kalayaan

12 Migrant Help (mainly Scotland and Northern Ireland)

13 NSPCC Child Trafficking Advice Centre (CTAC)

14 Palm Cove Society

15 Protecting children and uniting families across borders (CFAB)

16 Stop the Traffik

17 The Children’s Society

18 Unseen UK

Additional relevant legislation

Reference material