For six and a half hours every Monday, Brent Brown worked an off-duty security shift at a credit union on the east side of Fort Worth in order to add to the income he earned as a Tarrant County Sheriff’s Office deputy.
On an afternoon in late November 2023, Brown was in uniform, sitting on a chair at the end of a line of teller desks. He looked at his cellphone.
From a waiting area, Leland Williams watched a customer, an older man, turn to walk out of the Fort Worth Community Credit Union, leaving Williams as the only person in the lobby. Wearing a red jacket, Williams approached the deputy, lifted both arms and squeezed the trigger of a Smith & Wesson .40 caliber pistol four times…