Motive to Murder takes a psychological look into some of the real-life murder cases that have made headlines around the world: from crimes of passion and serial killers, to opportunistic slayings and mass shootings.
In 2011, a gunman kills six and wounds 13, targeting Congresswoman Gabrielle Giffords in Arizona. Police arrest a disturbed 22-year-old with a history of alarming behavior.
Two robbers kill five employees at a Wendy's in Queens, New York, leaving two others for dead. A survivor's testimony unveils a story of revenge and betrayal.
In 1986 LA, over 50 African-American women are found dead, dumped in the trash. The killer is caught when he is seen pushing his latest victim in a shopping cart through the streets.