Joseph Kony, a self-styled messenger from God, has abducted thousands of Ugandan children over the past 20 years to fight in his Lord's Resistance Army. But few people seem to know why. By Matthew Green

Matthew Green's book, ''The Wizard of the Nile: The Hunt for Africa's Most Wanted'', recounts the author's quest to meet Joseph Kony, the leader of the Lord's Resistance Army (LRA) rebels.