Murder and Justice: Laura Coates Meets Dorthy Moxley

In the premiere of "Murder and Justice: The Case of Martha Moxley," host and former federal prosecutor meets with the 15-year-old victim's mother, Dorthy Moxley. The night of October 30, 1975, Martha was killed outside her family's home in Greenwich, Connecticut. Her body was found the following morning under a tree, and the murder weapon, a golf club, was discovered nearby.