He's out there operating without any decent restraint, totally beyond the pale of any acceptable human conduct.
12 seconds sound clip from the Apocalypse Now movie soundboard.
You can hear this line at 00:18:02 in the Blu-ray version of the movie.
Quote context
[...]
- Yes, sir. Very much so, sir. Obviously insane.
- Your mission is to proceed up the Nung River in a Navy patrol boat...
- Pick up Colonel Kurtz's path at Nu Mung Ba, follow it, learn what you can along the way.
- And he is still in the field, commanding troops.
- Terminate with extreme prejudice.
- You understand, Captain, that this mission does not exist, nor will it ever exist.
- But this time it was an American and an officer.
[...]