I see this happen every night I work my "other job". Hit and run accidents are getting more and more common. Either they are drunk or they have no insurance. Either way they tend to run rather than take responsibility.
Responded to a hit and run on Saturday night. Couple was sitting at a stop sign when a car rear ended them and took off. They were able to chase it for a couple of blocks before their car broke down. The hit and run driver was an adult male with a child inside. What a nice role model for the child.