have killed the ryens. he was a convicted murderer. he had strangled to death a young woman and thrown her body into a canal. >> but san bernardino police waited 11 months before questioning lee furrow. and when they did, they never asked him about his missing ax. they also seemed to accept furrow's word that he didn't own any overalls. tom parker thinks he knows why. >> the coveralls in fact had been destroyed. a deputy had taken them and thrown them in a dumpster behind the sheriff's department to get rid of them because it was unfounded that they had been connected to the case. of course there had never been any blood testing or whatever to come to that conclusion. >> hile now raised this destruction of evidence with judge huff. >> in a criminal prosecution, the prosecution is required to turn over to the defense any evidence that might be considered exonerating. it's a rule. if the prosecution doesn't do it, then they have committed