One of the most prominent faces from the Memphis episodes, Merritt was a 28-year veteran of the force. He died at age 56 from COVID-19 complications . Louisville Metro Police Department (LMPD)

Penrod was featured in early seasons of the show. He died at age 55 after a battle with brain cancer . Broward County Sheriff’s Office (BSO)

Lesher was a central figure in the Louisville segments of the show. He passed away at age 41; reports from colleagues and local community forums indicated the cause was a heart attack .

A fan favorite known for his calm demeanor and veteran expertise during his 13 years in Tulsa's homicide unit. He passed away at age 60 following a brief battle with cancer .

While she was a member of the LMPD, her death occurred during a traffic stop when her patrol car was struck by an impaired driver. Though she appeared in the department during the First 48 era, her death was a major line-of-duty loss for the unit featured on the show. Dallas Police Department (DPD)

While serving with the Osage Nation Police after a long career that included Tulsa law enforcement, Herbert suffered a fatal heart attack during a pistol qualification at a shooting range. Memphis Police Department (MPD)