He read the President's reminiscences "With the Century" in 2006 and has since studied the Juche idea.

He posted on the website 30 articles from March 2009 to Sept. 2012 dealing with the facts that Kim Il Sung led the Korean people with his brilliant wisdom and distinguished leadership.

He also posted articles praising the Juche idea and the Songun politics.

Greatly displeased with his activities, the puppet security authorities of south Korea filed a suit with the court against him on the charge of violating the "Security Law".

The puppet Seoul Central District Court at a trial sentenced him to one year and six months in prison and one year and six months suspension of qualifications and probation.