>> reporter: 17-year-old jared cano's got two arrests for firearms. the first for a stun gun in 2008. the second for a pistol just last year. but guns aren't the only factor linking the arrests. the 2008 report details cano growing verbally angry by yelling profanity at his mother and when officers confronted him last year, a report claims he answered the door with a red aluminum baseball bat that he held in an aggressive manner. >> he said all that was in his past. and he's moved on. >> reporter: cano's friend wants his name concealed but tells us the two often played video games together and that's what they planned to do last night when a strange man walked up. >> i said, who are you? i live here. he said, i'm a police officer. pulled out his badge and arrested jared right there. >> reporter: he thought the arrest might have something to do with weed. cano is vocal about the drug on his facebook page, saying he's about to graduate from the university of marijuana. he's also posted pictures drinking malt liquor and holding what appears to be a machete,