external November 11, 2017 Henry C. Lee, chaired professor of the Henry Lee College of Criminal Justice and Forensic Science and retired former head of the Connecticut State Police Crime Lab, comments on the importance of keeping evidence untainted in the examination of a crime scene. https://www.tnp.sg/news/singapore/dont-touch-evidence-terror-attack-expert news-all news-in-the-media year-2017 month-november