Anger.
3 seconds sound clip from the The Silence of the Lambs movie soundboard.
You can hear this line at 01:09:02 in the Blu-ray version of the movie.
Quote context
[...]
- What does he do, this man you seek?
- What is the first and principal thing he does?
- What needs does he serve by killing?
- Anger.
- Um... social acceptance and, um, sexual frustration, sir.
- No. He covets. That is his nature.
- And how do we begin to covet, Clarice?
- Do we seek out things to covet?
- Make an effort to answer now.
[...]