he said it was safe. probably. >> it's hard to hide things from an x-ray machine. and we thoroughly x-rayed that device. but i -- i still can't s -- i'm not inside of it. i can't see inside of it with my own eyes. >> and i was scared when we took mr. wells to the coroner's office 'cause we -- it was just myself, and our -- livery driver. and we were unprotected. it was just the two of us. >> don't hit any potholes. >> no, exactly. yeah. >> the collar was still potentially dangerous. and it was also important evidence. so the question was how to remove it safely and still keep it intact. there was no easy answer. commander stankiewicz wasn't making any guarantees. >> he was 90-95% sure that -- we could drill through the back of it and -- and take it off without it exploding. >> that's a very poor result if you're on the ten percent side of it. >> yeah, and so -- i know -- i needed 100%.