the colorado mom had been bludgeoned, strangled, and then browned in a river not far from her house. now, detectives were focused on three people of interest. stephanie's husband, dale. her boyfriend, ron. and ron's wife, cindy. each had a possible motive. but as investigators dug deeper into the bruner's marriage, a startling discovery would push dale to the top of the list. here again is keith morrison. it's horrible. i mean, it's -- i -- i don't even know how to explain having a microscope go into your world. it's surreal. >> there are few secrets in a person's life that will escape the attention of a determined homicide detective. >> everything comes out. absolutely everything. >> dale and stephanie, it turned out, had their share of secrets. the weird thing one chilly morning six weeks before stephanie was murdered as stephanie told her friend,