Naw Kham (C), a drug lord suspected of masterminding the murders of 13 Chinese sailors on Oct. 5, 2011, is interrogated by Chinese and Myanmar military and police officers in Kunming, capital of southwest China's Yunnan Province, Aug. 22, 2012. A team of Myanmar military and police officers arrived Wednesday in Kunming to interrogate Naw Kham, who is believed to be associated with the Mekong River murders in October 2011, at the invitation of China's Ministry of Public Security. [Xinhua]