“Do you feel guilty?” – See BBC Reporter Challenge Challenger as he monitors fatal drug trafficking

President Donald Trump views his trade war as a way of pressure on Mexico to make more to stop the stream of illegal drugs in the US.

The BBC Quentin Sommerville correspondent went to the US -Mexico border and found the Fentonil smugglers before talking to addicts in Philadelphia.

See how it meets with some surgical drugs and challenges them for death that cause their pills.

Operator: Darren Conve