friends, including his niece melissa and one time girlfriend taylor. and there was more. >> and then we found a receipt for a hotel here in tucson, we are ron young stayed in the hotel, for 18 days, during the summer of 1996. >> which would be, what, a few months before gary triano was killed? >> yeah. >> and what was interesting about his choice of hotels, it was geographically almost halfway between where gary triano and the la paloma country club. >> where he played golf every? day >> yes. >> and even more suspicious, ron young stayed under a phony name. the name of one of the people he was accused of defrauding in aspen. but that was well before the murder. and there was no evidence that ron young was in tucson when the bomb went off. >> reporter: anything in ron young's record or possession that suggested he either knew how to or was involved in building a remote control bomb? >> no.