The Man Who Wasn't There Dateline NBC : Season 22 Episode 50
TV-PG NBC 1h 42m int(0)
Aired: May 29th, 2014 @ 9:00 PM EST on NBC
the case of a mother who was murdered in her home that went unsolved for years, until a new detective took an interest in it, which resulted in an undercover investigation and several unexpected revelations coming to light. Josh Mankiewicz reports.