Review of Louis Theroux in Lagos

...."His first meeting was with an area boy called Tawa, who proved, upon closer inspection, to be a girl. Her authority rests in her union ID card and her ability to fight "like a man".
Louis may be a master of faux-naive inquiry, but in Lagos he encounters several connoisseurs of the freely given but totally disingenuous answer. When he asks why Tawa's terrifying second-in-command seems reluctant to talk about the enormous corkscrew scar running up one side of his head, someone says, with a cold smile, "I don't know. Maybe his past is haunting him."

Here.