Criminal Investigation

The Criminal Investigations Division is responsible for the prompt, effective, and efficient investigation and prosecution of crimes and offenses occurring within Williamson County. The division includes the units of Investigations, Narcotics, Evidence, Records, and Crime Analysis.

CID handles both general investigations and highly specialized case work. Many personnel in the division have additional, focused training or certifications in areas such as fraud and theft, homicide and death investigations, crisis negotiation, polygraph examination, computer voice stress analysis (CVSA), digital forensics, ESD K-9, Internet Crimes Against Children (ICAC), elderly exploitation and abuse, sex offender registration and reporting, human trafficking, narcotics and narcotics K-9, evidence management, records and incident based reporting, crime analysis, and more.