jim knapp.jim knapp was one of the first ones to arrive at the scene after the deputies had arrived. >> of course the detectives asked him, where was he that night and knapp was ready with a story. >> he been baby-sitting one of his boys at his ex-wife's house when this incident actually occurred. >> you would have the pin him down on that, sure he proof of it, correct? >> yes. >> another deputy had the recorder on. >> she and i sort of committed to each other to be co-coaches, to get through both of our divorces. >> but knapp did not stop there. oh, no, he seemed eager to tell them about carol's ex-husband. >> well, it's just my intuitive take, the guy comes off to me as a very sneaky, man ipulative man. >> so by the time steve arrived the deputies were suspicious. they asked him to the sheriff's department where he told them the same thing he told his daughter. he a flat tire. >> i on do some on and off, mostly i go trail running. so i don't have a routine. >> he drew them a map of the trail h