Contra Costa Police Department
Howard County, Maryland Police Department
San Diego Police Department
San Francisco Police Department
Texas Department of Public Safety
Sugar Land Police Department
San Antonio Police Department
Round Rock Police Department
Killeen Police Department
Fort Bend County Sheriff’s Office
Houston Community College Police Department
Houston Police Department
Harris County Constable Precinct 1
City of Bryan Police Department
City of Allen Police Department
Austin Police Department
FBI
US Department of Diplomatic Security –
NCIS
US Secret Service
ATF
United States Postal Inspection ServiceUnited States Department of Health and Human Services – Office Inspector General