He previously served as the Chinese Ambassador to South Korea,[1] during his term of that office, he gave information to the Government of South Korea, he was placed under investigation by the National Security Commission of the Chinese Communist Party in December 2006.
After graduating from Kim Il-sung University in 1977 he assigned to the Chinese Embassy in North Korea.
After this office was terminated in October 2001, he became the Chinese Ambassador to South Korea, serving until August 2005.
[5] Soon after his arrest however, authorities began to allege that he had leaked state secrets to South Korean media outlets.
[6] One South Korean journalist that was suspected to have profited off the leaks, Park Ki-sung, published a blog post that Li had not been his source.