IE 11 is not supported. For an optimal experience visit our site on another browser.
We apologize, this video has expired.

    FULL EPISODE: Plot Twist

    08:33

    In a primetime exclusive, Rachel Buffett speaks to Josh Mankiewicz about being at the center of a murder investigation involving both her former fiancée and her friend, a 26-year-old Army veteran. Dateline reports new details of a gripping and twisted case that made international headlines.