60 Minutes — Episode 39: High Velocity, The Last Slave Ship, Simone Biles

You are watching the episode High Velocity, The Last Slave Ship, Simone Biles What makes the AR-15 style rifle the weapon of choice for mass shooters; Inside the wreck of the last ship known to have brought enslaved Africans to America; And, Simone Biles: The 60 Minutes Interview