JOHANNESBURG — South African police have launched a manhunt for a Lesotho gang member believed to have controlled operations at an illegal gold mine where 78 bodies were recovered last week during a police siege, from which he escaped. The alleged kingpin, known as “Tiger,” surfaced from the mine in Stilfontein while it was under police surveillance and escaped from custody with the help of officials, a statement on Monday from the South African Police Service said. “Extensive investigations and tracing operations are underway to find those officials who aided his escape between shaft 11 and the Stilfontein police holding