Jimmy

Jimmy is the main protagonist in Home Alone (2019). He is a teenage boy who likes video games. He is hunted down by a masked killer who attempts to murder him. Jimmy is killed by Officer Brady.
Method of Death
When Jimmy hears the attacker enter his house, he hides in the bathroom, arming himself with a knife. Concerned, Officer Brady enters the house also and searches for the killer. Jimmy hears Brady, thinking he's the killer and runs out to attack. Brady turns around and mistakes Jimmy for the killer, and shoots him four times. Jimmy dies.