After the Mekong River massacre in October 2011 and subsequent backlash from the Chinese , Laotian officials arrested Naw Kham and extradited him to China on 10 May 2012 . Then in the July 2012 raids of Naw Kham 's militia bases , Burmese authorities seized over 600,000 methamphetamine pills and 120 bars of heroin . Hunting for Naw Kham , the Chinese " special task group " has used new technologies such as the Beidou System according to the Ministry of Public Security of the People 's Republic of China . Because the gang 's remote hiding area is difficult to reach , even a UAV " execution operation " was once proposed
Mekong River massacre
Mekong River massacre
Naw Kham