investigators found two floppy disks which they thought might hold evidence of his complicity with his wife's murder plot. but, before they checked the disks, investigators wanted to make sure that they actually belonged to joe snodgrass and weren't someone els. so they asked him to come to the investigation room. >> he was a law enforcement official. if someone's investigating, well, naturally, try to cooperate. try to help. there are pieces of this disk on the floor. i'll tell you, a couple things go through your mind at this point.