the Big Circle Boys were involved in smuggling heroin from the 'Golden Triangle' nations of Burma, Thailand and Laos into Canada, the United States and Europe.
branches in other Asian countries have also been formed, including Indonesia, Kazakhstan, Laos, Singapore and the United Arab Emirates.
the trafficking of drugs to neighbouring Thailand and Laos.
The group is active or working with organized crime partners in a variety of countries, including Cambodia, Laos, Myanmar, Thailand, New Zealand, Australia, Korea, Japan, China, Taiwan and Vietnam.
In 1887, Black Flag bandits remained sufficiently powerful to ransack and pillage Luang Prabang.