Captured in late June 1989 at Datong, he was returned to Beijing under armed guard of hundreds of soldiers. Afterwards, he was detained for 19 months at maximum security Qincheng Prison without being charged with a crime.
In June 1989, he was taken into custody in Datong and subsequently transported back to Beijing with an armed escort of hundreds of soldiers. He was then held in prison for 19 months at the maximum-security Qincheng facility without facing any formal accusations.