Desirae Frame, mother of T.J. Siderio, arrives at the The Justice Juanita Kidd Stout Center for Criminal Justice in Philadelphia on Friday, April 19, 2024. A fired Philadelphia police officer pleaded guilty Friday to murder in the shooting of Siderio, a fleeing 12-year-old boy, who prosecutors have said was on the ground and unarmed when the officer fired the fatal shot. (ALejandro A. Alvarez/The Philadelphia Inquirer via AP)
Desirae Frame, mother of T.J. Siderio, arrives at the The Justice Juanita Kidd Stout Center for Criminal Justice in Philadelphia on Friday, April 19, 2024. A fired Philadelphia police officer pleaded guilty Friday to murder in the shooting of Siderio, a fleeing 12-year-old boy, who prosecutors have said was on the ground and unarmed when the officer fired the fatal shot. (ALejandro A. Alvarez/The Philadelphia Inquirer via AP)
FILE - This booking photo provided by the Philadelphia Police Department shows former Officer Edsaul Mendoza. Mendoza pleaded guilty Friday, April 19, 2024, to murder in the shooting of a fleeing 12-year-old boy, who prosecutors have said was on the ground and unarmed when the officer fired the fatal shot. (Philadelphia Police Department via AP, File)
Thomas Lawler, paternal grandfather of the father of TJ Siderio with t-shirt with his image on the front, leaves The Justice Juanita Kidd Stout Center for Criminal Justice in Philadelphia on Friday, April 19, 2024. A fired Philadelphia police officer pleaded guilty Friday to murder in the shooting of Siderio, a fleeing 12-year-old boy, who prosecutors have said was on the ground and unarmed when the officer fired the fatal shot. (ALejandro A. Alvarez/The Philadelphia Inquirer via AP)
FILE - Police investigate the scene of a shooting, March 1, 2022, in Philadelphia. A fired Philadelphia police officer pleaded guilty Friday, April 19, 2024, to murder in the shooting of a fleeing 12-year-old boy, who prosecutors have said was on the ground and unarmed when the officer fired the fatal shot. (Tom Gralish/The Philadelphia Inquirer via AP, File)