external In the Media April 8, 2022 John DeCarlo, professor of criminal justice, discusses the escalation of an incident where a woman answers the door with a knife and fails to follow the sheriff's repeated instructions to drop it. https://yaledailynews.com/blog/2022/04/08/yale-doctoral-graduate-fatally-shot-by-san-diego-police-officer-and-deputies/ john-decarlo news-all news-in-the-media year-2022 month-april name-john-decarlo