. >> reporter: detective tina noe executed the search on tim's home. >> we took lots of photographs. 'cause you never know what's gonna be important possibly later on. >> reporter: tim was in the the house was a mess. random things were strewn everywhere; clothes, construction materials, rolls of carpeting. but nothing looked like a good lead. carrie's family was growing increasingly desperate. they wanted to do something. anything. when they reached out to dennis harker of the quad cities missing person's network. sadly, he knew just what to do. >> it's traumatic. i mean, it's just a crisis. and and it's overwhelming. >> reporter: his own son went missing just a few months earlier. >> you find yourself being tireless. you know, you can't sleep anyway, you might as well be doing something. >> reporter: dennis offered suggestions and organization to 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. mississippi river, where his son's body had been found. >> the mississippi tends to