Li Changyu 1938) was born in Rugao, Jiangsu. He is a Chinese-American, an expert in criminal forensic medicine, honorary chairman of Connecticut Science Advisory Center, tenured professor at New Haven University in Connecticut, and full-time professor of forensic medicine at New Haven University.
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The "century trial" of Simpson's wife murder case in the United States attracted worldwide attention. Li Changyu was an expert witness in this case, and his exquisite and rigorous criminal expertise left a deep impression on everyone. It is recognized by the legal profession that it is his key testimony that finally proves that there is insufficient evidence to accuse Simpson of killing his wife, which makes Simpson's case as an ace lawyer and a prosecutor who never misses.
References:
Li Changyu? Baidu baike