30 years ago, Tsinghua University student Zhu Ling's thallium poisoning case shocked the whole country, and now, the clues of the crime in the hair have finally revealed the "crime curve" of the first class.
Zhu Ling's glorious years
Zhu Ling, a student at Tsinghua University, was once a talented woman of a peerless age. Born in an intellectual family, her father Wu Chengzhi is a senior engineer of the National ** Bureau, and her mother Zhu Mingxin is a senior engineer of China COSCO Company. During her studies at Tsinghua University, she attracted attention for her talent and versatility. However, a turning point in fate came on her 20th birthday.
Twice blinded, twice poisoned, and "window paper" that can't be pierced
In 1994, Zhu Ling's life was shattered by a series of mysterious events. She suffered from temporary blindness twice, and the medical profession was helpless. It is suspected that thallium salts may be injected into the liquid of glasses, but the jury remains inconclusive.
The symptoms of thallium poisoning are gradually aggravating, but Tsinghua University's understanding and response measures for thallium poisoning are not decisive enough. The identity of ** has become a mystery, and the unbreakable layer of "window paper" makes the progress of the case slow.
Crime curves in the hair
Zhu Ling's parents saved her fallen hair, which became a key clue to solve the mystery. Through hair analysis, the researchers drew the best "poisoning curve", revealing dozens of poisoning processes, which lasted for half a year. This study gives people a clearer understanding of the process of Zhu Ling's poisoning and the methods of the perpetrators.
The truth about Zhu Ling's poisoning
Through the analysis of Zhu Ling's hair, the truth about her being poisoned was revealed. The first poisoning preceded the manifestation of symptoms, with at least 25 spikes in poisoning occurring over a six-month period. The first poisoning may be related to throwing thallium into the liquid of the glasses. The second poisoning, in which thallium and lead were thrown into the food at the same time, led to more serious consequences.
** Poisoning pattern shift
The investigator's analysis pointed out that ** may have initially put thallium into ** glasses liquid, but because Zhu Ling stopped wearing ** glasses, the poisoning pattern changed, and ** began to put thallium into her food.
This method of poisoning led to more intense gastrointestinal reactions and neurological lesions, which eventually caused Zhu Ling's lifelong paralysis and mental decline.
Thallium poisoning symptoms and route of poisoning
Thallium's toxicity stems from its ability to displace potassium, affecting various physiological processes. Poisoners begin with occasional doses, then more frequently and intensively, and the dose is gradually increased.
Combined with Zhu Ling's lost items, such as glasses cases, lipsticks, shampoos, bath gels, etc., researchers speculate that these may be poisoning agents.
Hung in the air for a long time
Thirty years later, Zhu Ling's case is still one of the unsolved cases in the history of China's criminal investigation. Although the criminal curve of ** is revealed through hair analysis, the true identity of ** is still an unsolved mystery. It is unimaginable that there is such a bizarre motive behind the thallium poisoning case. The long-pending resolution of the case has also raised questions about judicial fairness in society.
A new perspective on cyber investigationsWith the development of science and technology, online investigation has become a new perspective for solving cold cases. The popularity of social networking has made it easier to obtain information, and clues on the Internet have become an important part of solving crimes. We should work together with all sectors of society to find clues through modern scientific and technological means and seek justice for the victims' families.
Anticipation of the progress of the case
The twists and turns of Zhu Ling's case are embarrassing, and the intervention of modern technology may be the key to solving the mystery.
We hope that the relevant departments can use the latest technological means to fully trace the identity of the victim and give a fair explanation to the victim. Zhu Ling's case will become a boulder in the history of criminal investigation, affecting the detection and judicial fairness of similar cases in the future. The hair analysis of Zhu Ling's case adds a new perspective to this thallium poisoning case and provides more clues for solving the case.
However, in the past 30 years, the progress of Zhu Ling's case is still slow, and the identity of ** has not yet been revealed. For this shocking case, the society hopes that the relevant departments can use scientific and technological means to uncover the truth as soon as possible and give the victims a fair explanation.
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