Contact: 903-531-1040
Email: wsinclair@tylertexas.com
Hours 8:00 a.m. to 4:00 p.m.
Monday thru Friday 

The Criminal Investigations Division (CID) is under the supervision of Lt. Will Sinclair and is tasked with performing follow-up investigations and collecting evidence. Once a case is received, it is reviewed by one of several unit supervisors who will then assign the case to a detective. Criminal cases are assigned to a detective based on the type of offense committed and the investigative focus required. Learn more about the case assignment process in this PDF document. In order to better serve our citizens. the Investigative Division is divided into the following units:

• Crimes Against Person Unit
• Crimes Against Children
• Property Crimes
• Crime Scene Unit
• Digital Forensics
• Special Investigations (Fraud/Forgery/ID Theft)
• Youth Crimes/Gang Intel
• Narcotics/Vice