William H Lash

William H. Lash III (January 21, 1961 – July 14, 2006) was the Assistant Secretary for Market Access and Compliance at the U.S. Department of Commerce from 2001 to 2005, and a professor at George Mason University School of Law.

In July 2006, at his home in McLean, Virginia, Lash was involved in a domestic incident with his wife, which resulted in her leaving the house and calling the police. When they arrived, he refused them entry, and proceeded to fatally shoot his 12-year-old son and then himself.