this man 66-year-old rodney howbauer was formally charged with the cold case murders. this is how he looked years ago, his mugshot from an unrelated crime. steve credits the advances in technology with solving the cold cases. cigarette butts left at the two crime scenes contained his dna. >> it's time to bring this man to justice for the murders that we can clearly prove at this point and bring some closure to the families as best we can. >> he was extradited from an oregon prison last night. where he had been serving time for an attempted murder conviction. his dna also reportedly appeared on a cigarette butt at a crime scene in reno where this 19-year-old was killed around the same time as the others. in a jailhouse interview with abc 7 news, i don't know anything. no knowledge about this. this finding a cigarette butt and dna from 30 years ago, doesn't make sense. i have no idea about that. howbower said he was surprised to be named the killer. he said he was guilty of committing the crime in oregon, but not the gypsy hill murders. i'm confused, i just want some ans