FOUR Kenyan policemen will stand trial for murder after a judge ruled yesterday that they have a case to answer in the death of British aristocrat Alex Monson, who died in their custody in 2012. "The accused should tell the court what happened since the deceased was arrested in good health," High Court Judge Erick Ogolla ruled. The policemen - Naftali Chege, Charles Wangombe Munyiri, Baraka Bulima and John Pamba - were accused of killing 28-year-old Monson, son of Nicholas, the 12th Baron Monson, and heir to a family estate in Lincolnshire, in eastern England. Monson was found dead in…