Tonight, 20 20 on the inside. This tape recorded as it was happening. Paramedics trying to revive her. The emt taking us through that tiny bedroom. A bloodstain. A gun right here. Is there any sign of a struggle . And the explosive police video. Youre accusing me of killing my wife. Im not supposed to be upset . And youre as close to being there that night as you can get. But whats the truth . A shocking suicide . Her own words, i just cant take this life any longer, proved she committed suicide. Or this, what a teenage neighbor said he heard. I heard him saying, oh, my god, what have i done . I shot my wife. What do you believe . After midnight. Good evening, and welcome to this special 20 20. Im david muir. And im elizabeth vargas. This notorious court case, did a husband kill his wife, or did she kill herself . How well do we know our partners, and what really goes on after midnight . Heres ryan smith. Reporter drive north out of denver on this twolane blacktop called u. S. 85. Ther