Unsolved Thallium Poisoning Case at Tsinghua University: Remembering Zhu Ling

2023-12-23 09:30:56

Zhu Ling, a female victim of a thallium poisoning case that shocked the campus in 1994 at Tsinghua University in Beijing, died on the 22nd. The murderer who deliberately poisoned her has not yet been found. (Picture/reproduced from Weibo)

Zhu Ling, a female victim of a thallium poisoning case that shocked the campus in 1994 at Tsinghua University in Beijing, died on the 22nd. The murderer who deliberately poisoned the university has not yet been found. Even the detective Dr. Li Changyu once said that if this case is to be solved, “It’s very difficult.” Netizens who learned about Zhu Ling’s passing also poured into the Weibo message area of ​​Tsinghua University in Beijing to express their condolences. Among them, many netizens criticized the perpetrators, saying “the murderer will be punished.”

Tsinghua University in Beijing posted on Weibo today (23rd), “Zhu Ling, a 1992 alumnus of our school and brave and strong, passed away in Beijing on December 22, 2023. (Picture/reproduced from Weibo)

Tsinghua University in Beijing posted on Weibo today (23rd), “The brave and strong Zhu Ling, a 1992 alumnus of our school, passed away in Beijing on December 22, 2023. “We express our deep condolences for the death of Zhu Ling and express our condolences to Zhu Ling’s family. I extend my sincere condolences. I wish Zhu Ling will be accompanied by the sound of the piano and have a safe journey.”

Looking back on this case, the deceased Zhu Ling was admitted to Tsinghua University in Beijing in 1992. She had excellent grades and could also play the classical piano well. She was considered a talented woman both in appearance and connotation. However, she suddenly suffered from abdominal pain one day in 1994. Within a few days, all her hair fell out. It was not until March 1995 that similar symptoms appeared again. She woke up after being in a coma for half a year. Not only was her lower limbs paralyzed, but her eyes were also almost blind. Complete loss of language skills.

After investigation, the police found that Zhu Ling had been poisoned, and it was “thallium poisoning” that can cause extremely pain. Just when the police were preparing to collect evidence, they discovered that all the daily necessities in Zhu Ling’s dormitory were missing, and various signs pointed to Zhu Ling’s roommate surnamed Sun as a serious suspect.

Zhu Ling has been in bed for nearly 30 years. (Picture/reproduced from Weibo)

Although the Beijing police investigated the granddaughter, due to the late release of the thallium poisoning test report and the lack of surveillance cameras, traces of the crime and physical evidence had been destroyed. Despite the best efforts of the investigators, no direct evidence was obtained to identify the suspect. . In the absence of insufficient evidence, the granddaughter was released from immigration control and the suspect’s identity in 1998, and the case became an “unsolved case.” In 2006, the granddaughter issued a statement firmly denying that she had poisoned herself, and claimed that she was not the only one who could. Students exposed to thallium salts.

Detective Dr. Li Changyu pointed out in 2013 that it would be “very difficult” to solve Zhu Ling’s case, but if there were original case files and original physical evidence, there might be a chance. As for this “unsolved case,” Zhu Ling’s father Wu Chengzhi said frankly that he had put it down, ” Even if we are gone, society will not abandon her.” In November this year, on the eve of Zhu Ling’s 50th birthday, she developed a brain tumor, resulting in high intracranial pressure, dilated pupils, and even a high fever of 39 degrees, causing her to fall into a severe coma. At that time, her family expressed that they were “ready” and would no longer subject her to harmful treatment.

Now that Zhu Ling has passed away, a large number of netizens have poured into the message area to express their condolences. “The girl who loved Guqin has just left. I wish her a good journey! There will be no more pain in heaven!”, “A thousand words turned into a sigh, have a good journey.” In addition, many netizens criticized the perpetrators, saying, “The murderer will be punished” and “I hope the real culprit will be found out soon.” Zhu Ling’s father told the Southern Metropolis Daily, “I don’t feel (the absence of justice). It’s very sad.” It’s normal, the hospital tried its best to save her. (My daughter) will be buried in Beijing.”

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