it's always been a fire that just drives you to do something. >> and then one day -- >> i had been going through some of my dad's stuff in the basement. i found a box of stuff that she had supposedly taking with her. a denim jacket her mother had given her, passport was there. driver's license and something her mother had given herment -- her. >> what was that like. >> that was kind of the final straw. >> naturally if she was gone, she would have taken those things with her. >> that was my final piece of the puzzle. >> he left it there. left the box in the basement and emerged a changed person. shannon told us, aaron wouldn't talk much about his mother when they were married. but -- >> i would find him up at night just, over her stuff, just over papers. i mean, just emotional. >> going through her papers. >> just going through her stuff. whatever little bit and pieces he had left of his mother he couldn't even handle. just -- it wrecked him. >> and when aaron heard pam was dead --