Claim: Yang Tianyong led a criminal gang in Kunming, China, the world's most populous country.
Evidence: Yang Tianyong (Chinese: 杨天勇, executed November 2000) was the leader of a criminal gang operating in Kunming, People's Republic of China, from 16 April 1997 to 31 May 2000. It is the world's most populous country, with a population of around 1.4 billion in 2019.