Exploring the U.S.' history with its police

The U.S. has had a long, fascinating and challenging history with law enforcement -- both trying to build it up and change it. To get a better sense of how the country has ended up at this moment of tension and unrest between activists and police, Jeff Glor traveled to a place at the center of police history to see what's evolved, and what many believe still needs to.

Air Date: Jun 27, 2020