British filmmaker who in the 1960's ventured into Shan State, a remote corner of Burma where much of the world's heroin originates. There, Cowell explored the complex web of insurgency, politics, diplomacy and economics surrounding the Shan opium trade and, at the center of it all - the opium warlord Khun Sa.
The last U.S. Ambassador to Burma
DEA agent in Burma during the 1980s