So much for giving the US Military the benefit of the doubt... Sounds like panic in the Marines:
The top US Marine Corps general has flown to Iraq to tell his troops they must kill "only when justified," as the US military investigated whether Marines killed civilians in two incidents.
The trip by General Michael Hagee, the Marine Corps commandant, to meet with marines at bases in Iraq showed his personal concern over recent allegations about the actions of marines in combat, the Marines said in a statement.
Military officials were to brief members of Congress about a criminal probe into a November incident in which marines are suspected of killing numerous civilians in Haditha, Iraq last November.