Krystal Lee showed investigators how she helped clean up murder of Kelsey Berreth
Patrick Frazee has been sentenced to life in prison in Colorado for murdering his fiancee Kelsey Berreth last year. In a remarkable video, the prosecution's star witness, Krystal Lee, shows investigators how she says she helped clean up the crime scene. CBS News correspondent Nikki Battiste joined "CBSN AM" to discuss her report for "48 Hours," which airs Saturday, November 23, at 10/9c on CBS.