As thousands of migrants make their way toward the United States, many face a grueling 60-mile hike along the Columbia-Panama border through one of the world's most dangerous jungles. Paola Ramos travels to El Darién to meet with migrants facing robbery, rape, and death on the road north; The police-worn body camera is a potent weapon against police brutality, but while sales have skyrocketed, it has yet to fulfill its promise as a silver bullet. Krishna Andavolu investigates body camera functionality, usage, legislation, and impact.