I suspect the dissident she gave the Chinese information on was Chen Guangcheng ... if so that was quite the strange case.
If it’s this guy he was pretty much screwed over because of all-important Iran and North Korea nuclear negotiations- they left the poor guy at a Chinese hospital after leading him to believe he would have 24 hr protection :
http://www.nytimes.com/2012/05/03/world/asia/chen-guangcheng-leaves-us-embassy-in-beijing-china.html