hit and run accident

I'm still not clear about whether you can shoot and kill him and get off or be put in jail for murder? I've heard it happen both ways.

My wife and I attended a party at a restaurant. Three weeks later we get a notice from someone that my information was given as a vehicle that hit their car in a hit and run accident. I haven't been contacted by Police. Attached to the documents I received in mail from the person, is a Peace...