How Mexican drug cartels made their own fentanyl crisis (Dubbed)

Fentanyl is killing more Americans than ever. It’s blamed for more than 70 thousand fatal overdoses each year.

US authorities say the synthetic opioid is mostly produced in Mexico and trafficked across the border. But addiction and deaths are also on the rise in Mexican towns and cities.

When smuggling into the US all but stopped during the pandemic, the cartels unleashed fentanyl on their own population. Now they’re trying to clean up the mess.

Our Latin America Correspondent Guillermo Galdos travelled to Tijuana, to see how it’s going.

His report shows images of drug use.