The reporter and director Alex Nott visit El Salvador as it experiences its worst gang violence in a decade. Many of the gangs' hitmen are children who kill and die with appalling frequency but accept it as part of normal life.

Krishnan Guru-Murthy finds out what life is like for deportees who've been sent from the US to gang-ravaged El Salvador, many of whom arrived in the States as children more than 20 years ago