How video evidence led to a murder charge for a S.C. cop

A video showing a white police officer fatally shooting an unarmed black man in the back has sparked protest in South Carolina and beyond, and the officer has since been charged with murder. Gwen Ifill talks to Brian Hicks of The Post and Courier, Jessica Pierce of the Black Youth Project 100 and Philip Stinson of Bowling Green State University about the story’s resonance.