Over the past 20 years, Li has stayed in close contact with Taiwanese law enforcement circles, and it was due to this relationship that Taiwan law enforcement agencies began in the 1970s to send people to the United States to study forensic science. Li himself often travels to Taiwan to meet with legal and law enforcement professionals. A consensus has gradually emerged in jurisprudence and law enforcement circles concerning the importance of forensic science.
由於與台灣的淵源，二十年來，李昌鈺與國內警界人士一直保持良好的關係，也因此從一九七○年代，台灣警界便不斷派人到美國學習刑事鑑識科學的觀念與技術，李昌鈺並經常回國與法警界座談，逐步建立起法警界對鑑識科學的共識。