Investigative Services Bureau
1525 Arkansas Lane
Grand Prairie, Texas 75052
Phone: 972-237-8750
Fax: 972-237-8759 

Assistant Chief
Michael Taylor
Phone: 972-237-8749

Lt. Scott Trim
972-237-8902

The Investigative Services Bureau is staffed with approximately 37 sworn officers, 7 supervisors and 10 civilians.

Specialized units in the division include major crimes, crimes against children, domestic crimes, victims assistance, property crimesproperty and evidence, auto theft, gangs, narcotics, crime scene investigation, financial crimes, criminal intelligence unit, and the Detention Center.