he was just in shock. he just kept sayin , it was an accident. there was nothing accidental about what he did. he said he didn t do anything wrong. these bits of emotion are only done in front of the detective. they re not done when he s alone. a room too dark to see? or a story too hard to believe? she s the love of your life? yes, sir. the person you know better than anybody else? yes, sir. and you can t tell it s her when you pull that trigger? reporter: what happened inside this house would destroy everything the woman who lived there had worked for. she finally had it all, the career, the dream home, the marriage she d waited so long for. there was a brightness in her eye. i trusted that she knew her heart. they were in love. there s no other way around it. reporter: her life now complete, fulfilled, safe. we never worried about her. reporter: but was it all an illusion? send an ambulance, please! reporter: what happened that mor
he was just in shock. he just kept sayin , it was an accident. there was nothing accidental about what he did. he said he didn t do anything wrong. these bits of emotion are only done in front of the detective. they re not done when he s alone. a room too dark to see? or a story too hard to believe? she s the love of your life? yes, sir. the person you know better than anybody else? yes, sir. and you can t tell it s her when you pull that trigger? reporter: what happened inside this house would destroy everything the woman who lived there had worked for. she finally had it all, the career, the dream home, the marriage she d waited so long for. there was a brightness in her eye. i trusted that she knew her heart. they were in love. there s no other way around it. reporter: her life now complete, fulfilled, safe. we never worried about her. reporter: but was it all an illusion? send an ambulance, please! reporter: what happened that mor
he said he didn t do anything wrong. reporter: others disagreed. we never for a second believed that he didn t know who that was standing in front of him. reporter: was it a tragic mistake? he was broken. reporter: or cold-blooded murder? these bits of emotion are only done in front of the detective. they re not done when he s alone. reporter: a room too dark to see? so let s shut the light off, okay. reporter: or a story too hard to believe? there was nothing accidental about what he did. reporter: a shot in the dark, and doubt in the light of day. she s the love of your life? yes, sir. the person you know better than anybody else? yes sir. and you can t tell it s her when you pull that trigger? reporter: i m lester holt and this is dateline . here s andrea canning with the silhouette. reporter: what happened inside this house would destroy everything the woman who lived there had worked for. she finally had it all, the career, the
we never for a second believed that he didn t know who that was standing in front of him. reporter: was it a tragic mistake? he was broken. reporter: or cold-blooded murder? these bits of emotion are only done in front of the detective. they re not done when he s alone. reporter: a room too dark to see? so let s shut the light off, okay. reporter: or a story too hard to believe? there was nothing accidental about what he did. reporter: a shot in the dark, and doubt in the light of day. she s the love of your life? yes, sir. the person you know better than anybody else? yes sir. and you can t tell it s her when you pull that trigger? reporter: i m lester holt and this is dateline . here s andrea canning with the silhouette. reporter: what happened inside this house would destroy everything the woman who lived there had worked for. she finally had it all, the career, the dream home, the marriage she d waited so long for. there was a br
and i hear the rumbling, i hear the dog growling. how could you not tell that s your wife? it was dark. he just kept saying it was an accident. he said he didn t do anything wrong. others disagreed. we never for a second believe that he didn t know who that was standing in front of him. was it a tragic mistake? he was broken. or cold-blooded murder? these fits of emotion are only done in front of the detective, not when he s alone. a room too dark to see or a story too hard to believe? there was nothing accidental about what he did. a shot in the dark and doubt in the light of day. the love of your life? yes, sir. the person you know better than anybody else? yes, sir sfwrk you couldn t tell when you pull that trigger? hello, and welcome to dateline extra . debbie kelly had been successful in the business but unlucky in love. then she hired so it seemed until debbie was gunned down in other own home, leaving investigators to wonder, what w