Startling video helped convict Kelsey Berreth's killer

Newly released video evidence used to convict Patrick Frazee of killing his fiancée, Kelsey Berreth, in Colorado was obtained by "48 Hours." It shows Frazee's secret girlfriend at the murder scene showing investigators how she cleaned up after the bloody crime. Frazee was convicted and will spend his life in prison. Nikki Battiste joins "CBS This Morning" to preview her "48 Hours" report, which airs Saturday, Nov. 16 at 10/9c on CBS.