he said the kids weren't after money, credit cards or valuables. this stunt happened often enough that it had a name, garage hopping. and the target was usually beer. >> the reason for garage hopping, or garage shopping, i've heard it called both, was for kids to go in and look for alcoholic beverages that they could easily get and take. >> until this shooting, that sort of wasn't on anybody's radar in law enforcement? >> no. i had not heard of garage hopping. no. >> reporter: these three friends of diren's say they've never gone garage hopping, but they know all about it. you all know people who do it or have done it? >> yeah. >> right? they understand it's illegal? >> uh-huh. >> yeah. >> but it seemed harmless? >> yeah. exactly. i mean, it's just -- it's like, hey, dude, this is a way for you to get some extra beer, you know, on a saturday night. >> i mean, did you think to yourself, oh, my god, we didn't tell him how dangerous it could be. >> but no one knew.