Police say the child used his mother’s registered handgun after an argument with her boyfriend turned physical inside a second-floor bedroom.

PHILADELPHIA, Pa. — An 11-year-old boy shot and killed his mother’s boyfriend late March 5 inside the family’s Southwest Philadelphia home after an argument over visiting the couple’s newborn in the hospital turned violent, police said.

Investigators said the shooting quickly became both a homicide case and a domestic violence investigation, with detectives trying to sort out what happened in the bedroom moments before the gunfire. The dead man was identified as Jaimeer Jones-Walker, 30, of Lansdowne. Police said the boy and his mother stayed at the house, cooperated with officers and were taken in for questioning, while no immediate charges were announced.

Police said officers were called at about 11:40 p.m. to the 1100 block of South Peach Street in the Kingsessing section of Southwest Philadelphia. Inside a second-floor rear bedroom, they found Jones-Walker on the floor with a gunshot wound to the face. Chief Inspector Scott Small said the man was unresponsive when officers arrived and was pronounced dead a short time later. Investigators said Jones-Walker had come to the house to see his girlfriend, and the two began arguing first outside and then inside the home. By the time the dispute moved upstairs, police said, it had become physical. According to the woman’s account to detectives, Jones-Walker was assaulting her when her son got hold of a handgun and fired once.

Authorities said the gun used in the shooting was a semiautomatic handgun registered to the boy’s mother. Detectives recovered it from the home after the shooting. Police also found Jones-Walker’s Tesla double-parked outside on the street and took the vehicle into evidence as they worked to reconstruct his movements before he entered the house. Small said detectives were also looking for surveillance footage from nearby cameras that might show when Jones-Walker arrived and whether anyone else had any role in the events that led to the shooting. Police have not said exactly where the gun was stored before the boy grabbed it, how long the fight lasted, or whether anyone else in the house saw the shooting. They have said only that the child fired a single shot and that both he and his mother remained at the scene.

The argument that led to the shooting centered on the couple’s newborn, according to local television reports citing police sources. The baby was in the hospital at the time, and investigators said the dispute involved whether Jones-Walker would be able to visit. That detail added another layer to an already volatile scene inside a home where children were present. Neighbors told local reporters the couple had argued before when Jones-Walker came to the house, though police have not publicly described any prior calls to that address involving the pair. The house sits on a residential block in Kingsessing, a section of Southwest Philadelphia where rowhomes stand close together and late-night police activity quickly draws attention from nearby residents.

As of the latest public updates, police had not announced any charges against the 11-year-old or his mother. That left open several questions likely to shape the next stage of the case, including whether prosecutors view the shooting as justified defense of another person, whether the child can be charged under Pennsylvania law, and whether investigators will examine how the firearm was stored. Detectives said the inquiry was ongoing, with interviews, evidence review and camera footage all part of the next steps. Any decision on charges would ordinarily involve consultation with the Philadelphia District Attorney’s Office after police complete their initial investigative work.

By daylight on March 6, the block had become the setting for a story that stunned even people used to police tape and overnight sirens. A child had fired the shot, a man was dead in an upstairs bedroom, and a dispute over a newborn in the hospital had become a fatal case under review by homicide detectives. Officials kept their public comments narrow, sticking to the sequence they believed they could support with evidence. Small described only the basic scene and the condition in which officers found the victim. Neighbors, meanwhile, spoke of a house suddenly turned into the center of a homicide investigation and of the weight carried by the fact that an 11-year-old was now at the heart of it.

The case remained open on April 2, with no publicly announced charges and investigators still working to determine whether the shooting will be treated as a criminal act, a justified use of force, or something in between.

Author note: Last updated April 2, 2026.