>> detective tina noe executed the search on tom's home. >> we took lots of photographs. you never know what's gonna be important, possibly, later on. >> tim was in the middle of a major renovation. the house was a mess. but things were strewn everywhere. clothes, construction materials, rolls of carpenting. but nothing looked like a good lead. carrie's family was growing increasingly desperate. they want to do something, anything. when they reached out to dennis harker off the quad cities missing persons network, sadly, he knew just what to do. >> it is traumatic. i mean, it's just the crisis, and it is overwhelming. his own son went missing just a few months earlier. >> you find yourself being tireless, and you can't sleep anyway, you might as well be doing something. >> dennis offered suggestions and organization to help find carry, and keep her story public. it was a remarkable effort, a reward was offered, a prayer vigil became a moment of peace and faith. and of course, there were endless searches. dennis led one at the mississippi river, where his son's body had be