The Investigations Division provides general and internal investigations and special drug enforcement. SIU Police Department is a member of the Southern Illinois Enforcement Group and the Federal Bureau of Investigation Joint Terrorism Task Force

The Investigations Division is presently comprised of the Director and two Detectives.  Detectives receive specialized training in many areas including:

• Interview and Interrogation
• Sexual Assault Investigation
• Burglary Investigation

The Investigations Division is also responsible for all Evidence pertaining to cases and found property that is brought into the police department. The Division assists with photographing crime scenes and setting up video surveillance.