Breaking News! Missing Colorado mom's fiance' arrested on murder charge; Little boy locked under stairs & starved

Summary: Just as Nancy Grace goes to air, Colorado authorities arrest the fiance of missing Colorado mom Kelsey Berreth. Nancy shares this news and gives her reaction. Also, the step-siblings of a 5-year-old boy, who was starved and forced to wear a diaper while locked in a "Harry Potter room" under the stairs reveal they sneaked bread to him to keep him alive before finally calling police. Grace's guests include forensics expert Joseph Scott Morgan,  Los Angeles psychoanalyst Dr Bethany Marshall, Seattle lawyer Anne Bremner, former federal prosecutor and child protection advocate Francey Hakes, and Crime Stories reporter Nicole Partin. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.