i've gotta get ready. i gotta go to sleep be -- because the conference is first thing in the morning." so she gets up from the pool and goes, "i'll see you later." >> reporter: an hour went by. maybe two. michael says he may have dozed off. when he went back inside the house sometime after 2:00 a.m., there was kathleen at the bottom of the stairs. a ghastly sight. >> and i saw her lying in the back staircase. her feet out. and there was blood. there was just blood everywhere. >> my wife's had an accident. she's still breathing. >> what kind of accident? >> she fell down the stairs. >> reporter: was she breathing? >> she was at the time. >> reporter: she was? >> yeah. >> is she conscious? >> what? >> is she conscious? >> no, she's not conscious. >> i knew she was dying. i mean, i'd seen enough of that in vietnam. i mean, i knew she was dying. >> please, get somebody here