Chief Timothy Fagan was born and raised in the St. Louis County area. In his last position as, (Major) Assistant Police Chief he was responsible for overseeing the operations of the three Bureaus the Department are divided into, The Bureau of Field Operations, Bureau of Support Services, and Bureau of Investigations.

Chief Fagan began his law enforcement career in 1993 working with both the Village of Bel Nor and the City of Dellwood. In 1994 he began his career with the City of Florissant holding positions as both a patrol officer and in the Special Operations Unit. He was assigned to the Bureau of Investigations in 1996 where he worked until 2002 as a detective when he was promoted to the rank of Sergeant. As a Sergeant he was assigned to the Bureau of Field Operations, Special Operations Unit and the Bureau of Investigations.

In 2011 he was promoted to the rank of Lieutenant where he was initially assigned to the Special Operations Unit and then as the Commander of the Bureau of Investigations. In 2012 he was promoted to the rank of Captain and continued as the Commander of the Bureau of Investigations. In 2014 he became the Commander of the Bureau of Field Operations. In 2015 he was promoted to the rank of Major.

Chief Fagan holds both an Associate’s Degree and a Bachelor’s Degree in Criminal Justice. Chief Fagan is a Graduate of the FBI National Academy and of the Axciton Polygraph School where he was certified as a polygraph examiner. Chief Fagan is a member of the International Association of Chiefs of Police, the Missouri Police Chiefs Association, the Law Enforcement Officials of Greater St. Louis, the American Association of Police Polygraphist and the American Polygraph Association. Chief Fagan is also a former Northern Regional Director for the International Homicide Investigators Association. He also serves on the Board for the Greater St. Louis Major Case Squad.