The current functions of the Directorate as provided for under the National Police service Act, 2011 include

1. Collect and provide criminal intelligence,
2. Undertake Investigations on serious crimes including homicide, narcotics crimes, human trafficking, money laundering, terrorism,economic crimes, piracy, organized crimes, and cyber crime among others.
3. Maintain law and order.
4. Detect and prevent crimes
5. Apprehend offenders
6. Maintain criminal records
7. Conduct forensic analysis
8. Execute the directions given to the Inspector General by the Director of Public Prosecutions pursuant to article 157(4) of the constitution
9. Coordinate Country Interpol Affairs
10. Investigate any matter that may be referred to it by the Independent Police Oversight Authority
11. Perform any other function conferred on it by other written Law.