aaron thompson was driving her son home.ms. >> i was attending concerts and this was the first one i didn't attend because i had car troubles. >> this is caden's stepfather, jason thompson. >> my car was in the shop and i finally faced and drop me off and that's why wasn't with them. >> soon the poison, the anxiety seeped under jason's doors, through his windows. under his nerve endings. >> just all of a sudden i realized, what's going on? why are they late? i just struck to me that something definitely was wrong. >> justine winters, the fear would deepen. justine's dad randy was a a national guardsmen, volunteer firefighter. he was trying to keep his head. new what he had to do. randi got in his truck, drove out of town to the road coming home for he knew he she take coming home from her boyfriends house. and then he saw, in a construction zone on a highway 93 overpass. >> what did you find? >> something i don't want to see again. you could say, a fireman's worst nightmare. >> someone tried to hold him back, he kept on. >>