only where her daughter had been taken. >> i'm driving down to the hospital, and i make a comment to my daughter. i go, you know, autumn, as hard as it is that we lost heidy, we're going to have to be supporting conrad because he must be overwhelmed with grief. >> reporter: conrad's sister colette was thinking the same thing as she raced to the hospital. what kind of condition was your brother in then? >> he was just a total wreck, just absolutely hysterical. didn't know how it could have happened. >> reporter: no one did. but back at the truman home, sergeant crook had started analyzing the evidence and was already developing a theory. >> i thought, oh, man, there's something going on here. >> reporter: you got a feeling? >> i got a feeling, yes. it wasn't just me. everybody was kind of looking around like there's something wrong here. we need a detective. coming up -- was it an accident? suicide? >> we don't see a lot of women who commit suicide naked.