Kim was vice chairman of the top military body and married to Jang 's aunt . Jang state media say Jang was convicted of treason and executed . Jang Sung-taek was arrested at a special meeting of the leadership and a lengthy list of crimes published . It is more likely that the accusation of treason -- as well as the litany of his personal foibles of gambling , drugs , womanizing , pornography , and drinking -- were to undermine Jang 's reputation and justify the execution . Kim : Likely the accusation of treason was to undermine Jang 's reputation .
Kim was vice chairman of the top military body and married to Jang 's aunt . Jang state media say Jang was convicted of treason and executed . Jang Sung-taek was arrested at a special meeting of the leadership and a lengthy list of crimes published . Kim : Likely the accusation of treason was to undermine Jang 's reputation .