“criminal investigation”

1. Anti-terrorism, Crime and Security Act 2001 Act
2. The Anti-terrorism (Financial and Other Measures) (Overseas Territories) Order 2002 SI
3. Commissioners for Revenue and Customs Act 2005 Act
4. Counter-Terrorism Act 2008 Act
5. Disability Discrimination Act 1995 Act 2 definitions
6. The Equality Act (Sexual Orientation) Regulations 2007 SI
7. The Financial Services and Markets Act 2000 (Disclosure of Confidential Information) Regulations 2001 SI
8. The Financial Services (Banking Reform) Act 2013 (Disclosure of Confidential Information) Regulations 2014 SI
9. Investigatory Powers Act 2016 Act
10. The Police (Conduct) Regulations 2020 SI
11. Police (Northern Ireland) Act 1998 Act
12. Proceeds of Crime Act 2002 Act
13. Prosecution of Offences Act 1985 Act
14. The Revenue and Customs (Inspections) Regulations 2005 SI
15. Terrorism Act 2000 Act 3 definitions

Definitions are taken from the instruments as published on zoomLaw, for guidance only. Check the instrument itself for its scope and any amendments.