Ashley travels to Brazil to meet young men living in some of Rio’s most notorious favelas who are caught between the deadly grip of drug cartels and heavily armed criminal militia.

Ashley visits Marseille to meet police, street dealers and hitmen all caught up in bloody drug wars that are ravaging France’s second-largest city.

Colombia is known for cocaine production, but Ashley uncovers another highly priced product that’s funding deadly organised crime groups – gold.

Sweden has been a European hotspot for gang-related shootings and bombings. Ashely spends a week meeting young men who don’t flinch from carrying a gun and using it if necessary.

Ashley heads to the Philippines to find out if joining a gang is the only way to survive in the extreme poverty that affects so many in the capital, Manila.