Police shot and killed a threatening man in Fullerton

A 19-year-old man was shot and killed by police in Fullerton after threatening family members with a knife. He also had a pellet gun that looked like a real handgun. Police responded to a call about the man at around midnight. When officers arrived, he was uncooperative and displayed the pellet gun, leading to the shooting. The man was pronounced dead at the scene, and no officers or bystanders were injured. The incident is under investigation, and authorities are seeking information from the public.