family and he'd know how to make that device. >> exactly. >> stellmacher had a tip offering up a potential suspect, connie hoagland's ex-son-in-law who stellmacher claimed may have had it in for the family. >> that was absolutely a lead we needed to follow up on immediately. >> because he's the only person you could think of that didn't like connie and larry. >> exactly. or so we were told and led to believe. >> so beals hit the road found for vegas and a meeting with connie's son-in-law. >> he didn't have a negative thing to say about connie in any way, shape or form. >> just as important, the son-in-law had a solid alibi. >> corroborated his story as to where he was and he had received the backup that he was at a store at one time and clearly not in san diego, not in california and his alibi all checked out. >> all of which put the guy who fingered him, stellmacher, under more suspicion. meanwhile, investigators put connie's truck up on a lift for a closer inspection. and in the soot dust on the floor pan, they saw an outline the size of a fed-ex envelope framed in traces of duct tape. the imprint of the earlier unexploded bomb. hardening their suspicion that whoever built the bombs was