Nigeria: the bandit warlords of Zamfara
In an attempt to find answers, BBC Africa Eye has spent more than two years tracking down and speaking to some of the most notorious bandit warlords in Zamfara.

Over the last decade, Zamfara State, in north western Nigeria, has been engulfed by violence. Gangs of young men ride into villages on motorbikes, armed with Kalshnikovs and machetes, to burn, ra…