that. >> what do you make of the idea clothes were found in the car? do you believe they were spare clothes do you think they were what he had on? >> they were his work clothes. we do know that because his work vest was there as well and his work boots. it's not uncommon for geologists to carry extra clothes in the vehicles where they go out to remote locations but we don't have any proof that he had a change of clothes with him. it would be unlikely if he didn't. >> do you think this situation speaks to the existence of another participant? >> we were leaning that way early on in this investigation but the more my team starts to dig into this, it appears that we just can't say for certain if