Tyler Police Department
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903-531-1090 | CALL 9-1-1 in Emergency

Tyler Police Department
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Career Development

Lieutenant Jon Thornhill

Contact: 903-531-1087
Hours: 8:00 a.m. to 4:00 p.m.
Monday thru Friday

Lieutenant Thornhill is responsible for the Career Development Unit, Building and Fleet Services, and the Data Management Unit. 

The Career Development Unit maintains a continuously active recruitment campaign for qualified applicants to fill all vacancies.  In addition to recruitment and background investigations, the Unit is responsible for the training of all staff within the Police Department and maintains a training contract through the Texas Commission on Law Enforcement (TCOLE).  The Unit also works closely with the Tyler Junior College Law Enforcement Academy by providing instructors for Police Academy classes, physical fitness and required in-service training. 

Building and Fleet Services is responsible for all facilities and vehicles assigned to the police department.  This includes the North Substation (1,900 sq. ft.), Downtown PD Headquarters (40,000+ sq. ft.) and the Faulkner Park Substation (17,500 sq. ft.).  The department maintains over 150 individual pieces of fleet inventory, including marked/unmarked vehicles, trailers and specialty vehicles.

Data Management Unit personnel are assigned to the main downtown station and to the Faulkner Park location.  They perform technical and support activities by processing and disseminating all accident, incident, investigative, arrest and pawn records of the police department.