Li Changyu of Tsinghuaji Poisoning: Only those who are close can the opportunity to po

The victim of the Tsinghua University Poisoning Case Zhu Ling died on the day of the winter solstice. The media recently revealed that Li Changyu, an internationally renowned Chinese criminal learning expert, interviewed many years ago, saying that the Tsinghua University ’s puppet poisoning case is difficult to detect.And pointed out that only those who are close can the opportunity to poison.

Tsinghua University released the news of Zhu Ling's death on the official Weibo last Saturday (December 23).According to reports from the Southern Metropolis Daily Phoenix Weekly, Zhu Ling's father said in an interview that Zhu Ling died at 10:59 pm last Friday (22nd) and will be buried in Beijing.

Tsinghua University alumni Zhu Ling was suspected of being deliberately poisoned in 1994. He died in Beijing on the day of the winter solstice this winter solstice.The killer has not been found after nearly 30 years of poisoning.

Li Changyu said in an interview with the Southern Metropolis Daily in 2013 that they called the "cold case" that have not been broken for many years.Have a chance. "

Li Changyu said that with his experience, to detect the old cases involving poisonous drugs, you must first trace the source of poison. Who can contact the poison and have a intersection with the victim.The second is to determine the specific time of poisoning according to the content of poison in the blood, and find out who is with the victims during that time. "This kind of poisoning case usually has the opportunity to be close to the talents she approaches."

He also said that to trace the way of poisoning, he can find the clues of the murderer from the victim's living items.In addition, it is necessary to investigate the motivation to poison, whether the victim has argued or conflict with others, etc. At the same time, he also register the suspect.

According to Ji Mu News, Zhu Ling's body farewell ceremony was held on Sunday (24th) at the Babaoshan Cemetery in Beijing.The sorrow of the choice of farewell to the ceremony is Guangling San, which Zhu Ling played at the age of 21, this is also the last time that Zhu Ling was poisoned.