and now i feel like i'm a suspect. >> when dateline continues. >> the body of keith reed, the admiredad been found in a hedge by his house. he'd been shot three times. keith's brother kevin, a law enforcement veteran, had caravan to the house monday morning with his 80-year-old parents, expecting to search for a missing person. the shiver broke the news. >> i've got my mother wanting to go and cover him up with a blanket because he's cold. try that sometime. it's a crime scene, mom, can't go up there. it's tough. >> as the reed family struggled to make sense of the horror, investigators have put the question to keith's daughters, did they know of anyone who had a reason to hurt their dad? >> we could not think of anyone to tell them. no one. >> everyone was just... no. >> a name had occurred to their uncle kevin. of the leads to sort through, he suggested investigators looked at keith's on again off again girlfriend of many years, kimberly roush. >> i said, first thing you need to do is talk to kimberley. >> where did that come from a in you? >> experience, and knowing the relationshi