ALLENTOWN, Pa. (WPVI) -- Police are trying to solve a double-shooting in Allentown that left one teen dead, and another wounded.Witnesses say the incident happened around 9 p.m. Tuesday night at 9th and Liberty Streets.17-year-old Johnny Lopez and an 18-year-old girl were shot by an unknown gunman who fired into their parked car. Lopez didn't make it.Friends and family say the death of Lopez is more than they can bear.Noris Quesada is a family friend whom Lopez referred to as "abuela", or grandma. She says Johnny was a good boy who loved children.She says it was yesterday afternoon when they all went to her granddaughter's birthday party and Johnny was hugging all the little kids."He told me he loves me very much. That's the kind of person he was," she said.Just a few hours later, Lopez was in his car with an 18-year-old female passenger when someone opened fire on the vehicle, shooting both teens.Surveillance video captures the scene as Lopez tried driving away after careening into a stop sign and a garbage can.The vehicle eventually came to a stop about a block away after crashing into a parked car.The gunman got away on foot and remains on the loose.Police say 18-year-old female victim was shot in the legs. Lopez was pronounced dead a short time later.Action News spoke with some of the victim's classmates from Allen High School who described him as a determined student who kept to himself."He was normally doing his work a lot. That's always how I'd seen him. He'd usually stay with himself and occasionally talk but not much," said classmate, Cameron Reyes.Meanwhile, Johnny's family and friends say they are praying for justice."I don't know why this happened. I don't know who did this. But if I knew I'd tell you, I would tell everyone," said Quesada.The 18-year-old female passenger remains hospitalized but there is no word on her condition.Anyone with any information is asked to call Allentown Police.