STOCKTON, Calif. — At a place where kids and teens are supposed to enjoy life, Stockton police say 17-year-old Julian Martinez’s life was cut short late Saturday night. “My son didn’t deserve this. He didn’t deserve to die the way he died. I don’t think anybody does… All I know is he deserves justice. He deserves for whoever did this to him to to pay for their crime,” said Manuel Martinez, Julian’s father…