The door wasn't locked, so I walked right in.
4 seconds sound clip from the The Big Knife (1955) movie soundboard.
You can hear this line at 01:04:32 in the Blu-ray version of the movie.
Quote context
[...]
- Hey, you changed the subject.
- You bothering to remember everything I said tonight?
- The door wasn't locked, so I walked right in.
- Well, wash my mouth out with whiskey.
- If I take one more drink, I'll see a snake.
- Take a light one. Don't be silly.
[...]