You don't know what I used to think.

4 seconds sound clip from the In the Line of Fire movie soundboard.

You can hear this line at 01:18:48 in the Blu-ray version of the movie.

Quote context

[...]

- Why is it everyone who ever knew you said that you're a sick son of a bitch? Your colleagues, your wife?

- What does your wife say about you, Frank?

- We're not talking about me.

- Frank, you, of all people... I want you to understand.

- We both used to think this country was a very special place!

- You don't know what I used to think.

- But you know about me? Do you have any idea what I've done for God and country? Some pretty fucking horrible things!

- I don't even remember who I was before they sunk their claws into me.

- They made you into a real monster.

- That's right, and now they want to destroy me because we can't have monsters roaming the quiet countryside now, can we?

- What do you see when you're in the dark and the demons come?

[...]