“What difference do you think you can make, one man in all this madness?”
Sean Penn - 1st Sgt. Welsh

“- Eamon de Valera: They call us murderers.
- Michael Collins: War is murder! Sheer, bloody murder!”
Alan Rickman - Eamon de Valera
Liam Neeson - Michael Collins

“- Brig. Gen. George Crook: A lot of White-Eyes want to see Geronimo hanged for murder.
- Geronimo: Not murder. War. Many bad things happen in war.”
Gene Hackman - Brig. Gen. George Crook
Wes Studi - Geronimo

Assassination's hard to justify when you're not at war, it's generally called "murder".
Kate Ashfield - Rachel

“Under the Rules of Engagement, a civilian pointing a weapon is no longer a civilian and the use of deadly force is authorized in order to save lives. It's not murder, it's combat.”
Tommy Lee Jones - Hodges