Reporters from around the world tell their stories. Steve Rosenberg visits Dagestan on the trail of the alleged Boston bombers, and finds that violence is part of everyday life there. Nick Thorpe watches an attempt to educate Hungarian police cadets away from prejudice against the Roma minority. It's a tough sell. The military's continuing grip on Egyptian society is explained by Shaimaa Khalil, who hails from an army family herself. In the Sioux country of South Dakota, Matt Wells investigates the contested legacy of the site of the battle of Wounded Knee. And Will Ross in Nigeria's Bayelsa State sees the glamorous movie stars at an endless awards ceremony, and also the militants getting rich off illicit oil money. Producer: Lucy Ash