The suspect is 22-year-old Lorenzo Sims, Jr. He is charged with attempted murder in connection with the double shooting.
The shooting happened at the Willow Hill Apartments in Willow Grove around 10:30 p.m.
Police say Sims got into an argument with 32-year-old Robert Basketbill and shot him in the stomach and right arm.
Investigators say Sims also shot his mother, 44-year-old Keisha Sims, in her right hand. The circumstances of that shooting were not immediately available.
Both victims were taken to the hospital in an unknown condition.
Police recovered a gun at the scene.