On May 6, 2013, the state-sponsored Global Times published an article entitled "Cold Case Petition Grabs US Attention." An excerpt:
A poisoning case that permanently paralyzed a former Tsinghua University student has triggered an online petition on the White House's website, the newest development to a matter that has remained unsolved for 19 years so far.
Zhu Ling, the victim and then chemistry major, suffered severe brain damage after being allegedly poisoned by thallium in 1994 by her roommate, Sun Wei, or Jasmine Sun, who now lives in the US.The following screenshots were taken on May 3, 2013.
|Sina and Tencent censor searches for "Zhu Ling" (朱令).|
|Sina censors searches for "Tsinghua Poisoning" (清华 投毒).|
|Sina censors searches for "Tsinghua Poisoned" (清华 中毒).|
|Sina censors searches for "Thallium" (铊).|