How a near-death experience helped this fentanyl addict get clean

Bryan Emery was a fentanyl addict and lived on the streets of San Francisco for nearly three years. He spoke to the BBC’s James Clayton about his experience in one of the US cities most affected by the opioid crisis – and how we was able to get clean almost a year ago. Filmed by Ben Derico, edited by César Rojas Ángel