Murder and Justice: The Case of Martha Moxley, Overlooked Theories

Watch what the crime scene and autopsy reveal about the killer, and how a break in the 23-year cold case ends in arrest.

Watch how defense lawyers got him out in 2013, and how a potential clue hints that two people might have killed Martha Moxley.

Laura Coates delves into new theories about Martha's murder and examines Robert F. Kennedy Jr's investigation of a potential eyewitness.