of blood. police thought that her boyfriend s behavior seemed odd. he doesn t going. people thought that there was something suspicious about that. but he had an alibi. did he tried to point the finger anybody else. he did, angela s ex-husband. the ex had an alibi to. he came off as very calm and collected. there is something else missing. we get a phone call until somebody found it. they asked if i would be willing to come up there and wear a wire. just one old friend talking to another about a secret that she was dying to share. i think that she was almost proud of the whole thing. a case where the biggest twist came after the verdict. wow, that was my response, wow. this is a different analysis perry confidential because they really missed parts. hello and welcome to dateline. working mom angela walker dream to becoming a nurse. she s working on both ends to make it come true. then, angela was murdered. investigators suspected that the
to becoming a nurse. she s working on both ends to make it come true. then, angela was murdered. investigators suspected that the attack was personal. just when they thought it was case close, turns out it was not. they set an elaborate trap hoping to catch a killer. here s keith morrison with prairie confidential. it was dark on the great central plains. luminous. in the early hours of that friday the 13th of november. the small light winds shivered on flat, deserted streets. and nipped the freezing little teeth at the ruins of autumn, in north dakota. was there muffled cry? the sound of a car making haste away. no one heard. not a thing. it is a modest place, minot. modest in a good way. and on commonly friendly, comparatively speaking of course. it is comfortable. it is a family community.