The Murder of Kelsey Berreth
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(upbeat music) Woodland Park, Colorado is a serene mountain town and home to a young mother who seemed to vanish into thin air. - I believe that Kelsey Barrett was disappeared on Thanksgiving and her family questioning her whereabouts. - Not long after Kelsey Barrett disappeared, one woman told a wild story that had more twists and turns than these mountain roads. But it would lead to a huge break in the case and Kelsey's fiancee being charged in her death. - Today we arrested Patrick Frazie on charges of first degree murder of Kelsey Barrett. As a reminder, Patrick Frazie has presumed innocent until proven guilty. - Once I heard that he had been arrested, it just solidified that feeling deep down that I knew that she wasn't coming back. (dramatic music) - Kelsey is a very kind and thoughtful person. She didn't want any drama, but it wasn't until later on in life that she I think really decided that I want to be a pilot. And once she realized that was her dream, she just went for it. - This surveillance video of Kelsey Barrett and her one-year-old daughter at a Woodland Park supermarket is the last anyone seen of the 29-year-old mother. I think it's the story of a tragic and troubled relationship with a lot of problems that simmered under the surface. (dramatic music) This is an apartment complex where the houses are adjoined. This isn't like a rural farm in which something could happen and nobody would notice for months. When they got the search warrants and went in there specifically with a team. What did they find? - They found blood in the bathroom. Some of that blood was Kelsey's. - Investigators have been out here the last two days, taking things in and out of Kelsey's. - There was also a mix of male and female DNA in the sink, but the key is that male DNA did not belong to Patrick Phrasing. The physical evidence in this case so far is incredibly weak. - I'm not here anymore. - When Patrick Phrasing was arrested, I was called in.
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A mom vanishes and now her fiancé is in jail awaiting trial for her murder. His former rodeo queen girlfriend says she knows what really happened. CBS News correspondent Nikki Battiste reports.