Captain Jack Weiss moved to South Carolina in 1993, to attend Charleston Southern University. He graduated from Charleston Southern University with a Bachelor of Arts as a History Major and Sociology Minor, in May 1997. Captain Weiss became part of the First Police Corps Class, which was held in Baltimore Maryland, in August 1997.
After graduating from the Police Corps in December 1997, he joined the Charleston Police Department in December 1997. Over his time with CPD he worked in Team 2 Patrol for the first four years, and two and a half of those as a Field Training Officer. In 2002, he transferred to the Safe Streets Unit in Special Operations and became a member of the Explosive Devices Team. While in Safe Streets he was promoted to Private First Class and Corporal.
In 2005, Captain Weiss became the Supervisor of the Tactical Unit, also under Special Operations. In 2007 he transferred to Team 1 as a Patrol Supervisor. In 2008, Captain Weiss was promoted to the Rank of Sergeant and became the Bomb Squad Commander over the Explosive Devices Team. He remained in Team 1 as a Supervisor until 2011, when he was promoted to Lieutenant and became a Command Duty Officer. In April 2012, Captain Weiss transferred to the Central Investigations Unit where he served as the Commander of the Crimes Against Persons Unit.
In September 2016, Captain Weiss was promoted to his current rank and made the Division Commander of Central Investigations. He also graduated from the FBI National Academy in 2016.