ever being a person that's been contacted by the police. >> reporter: and yet the dna proved anthony bridgetn entered bridget's information into a computer. >> so who is he? >> he's a member of a trace 5-7 crips. >> reporter: the crips, one of the most notorious and violent gangs in the u.s. and mr. bridget, street name "little shotgun," was by any standard a professional criminal. >> he had numerous violent conduct, including prior conviction for manslaughter. so this was no novice. >> reporter: long, violent rap sheet? >> absolutely. >> reporter: bridget also had a drug conviction and remember, ryan girgis admitted he sometimes dealt weed. could ryan and anthony bridget have known each other? is that why richard immediately wondered if ryan was the target of the attack? police considered that theory and dismissed it. in fact, for police, anthony bridget and his gang affiliation confirmed ryan's story. for one, bridget matched ryan's account that the man who tied him up seemed like a gang member. >> he looked like he was one of those guys, like, that just came out of the pen and stuff. >> u