An Atlanta rapper, known for the 2015 hit song "Watch Me (Whip/Nae Nae)" was arrested Monday for the alleged murder of his cousin, according to authorities. Silentó, whose real name is Richard "Ricky" Lamar Hawk, was charged in the murder of Frederick Rooks, 34, and is being held in DeKalb County jail, authorities said. Officers found Rooks suffering from multiple gunshot wounds in an Atlanta area roadway on Jan.