2000 film by William Friedkin
Rules of Engagement is a 2000 American war legal drama film directed by William Friedkin, written by Stephen Gaghan, from a story by Jim Webb, and starring Tommy Lee Jones and Samuel L. Jackson. Jackson plays U.S. Marine Colonel Terry Childers, who is brought to court-martial after Marines under his orders kill a large number of civilians outside the U.S. embassy in Yemen.
Plot summary adapted from Wikipedia, licensed under CC BY-SA 4.0.