Officer Dan Burger, left, and Pfc Joseph Thompson, right, try to keep Dave Florence, center, portraying a mentally confused person, from jumping off the roof as Fairfax County police officers engage in role playing as part of a push to better handle people with mental health issues during Crisis Intervention training. (Bill O'Leary/WASHINGTON POST)

In Fairfax County, police have resumed Crisis Intervention training, to have officers ready to respond to someone threatening others or themselves. The Post’s Henri Cauvin has a terrific inside look at how Fairfax is dealing with this, and how one officer in particular recently saved a life.