>> there was a short time gap from the time he left the workshop to the time he was called at his residence. that gap had to be filled in. >> he also passed a polygraph test. >> one of the detectives did come to my work and he asked to see me. at that time, i said, am i still considered a suspect? and he says, mr. church, yes, you are. and i said, well, i think that you need to look somewhere else. >> diane church was also considered a suspect. >> they gave me a lie detecter test, a horrible thing to go through to go to the police station and be fingerprinted and lie detecter test and all this kind of stuff. >> the only potential evidence at the scene was the fingerprints on the bedroom screen. the prints were compared with those in the database of the colorado state bureau of investigation. there was no match. next, the sheriff's office sent