My son and friend got jumped at a so called friends house while leaving ,a roommate ran in front of the car holding a big rock over his head and through windshild at the same time roommate was hit by accedent was not hurt bad my son was passenger driver did not stop roommate called my son and told him .give me a couple thousend dollors and motorcycle and r.m wont call police this happend 3am r.m wants money 9am or else. ?sounds like a scam aginst my son what do u think?