A 16-year-old was found in the basement with a gunshot wound to the chest and leg.
Investigators say the victim had stepped outside because someone threw a rock through the front living room window, when she was shot in the chest.
Police say the gunman rode away on the victim's e-bike before abandoning it about a block away because of a flat tire
Police say three people who were shot showed up to Temple University Hospital in a private car.
Police have released a photo of a man being sought for questioning after a brutal homicide in North Philadelphia.
Police said they are searching for the man seen in the video, as well as another man who was allegedly involved in the attack.