He intended, with the aid of this ladder, to crawl down into your place some night and Polish Robert off with this.
8 seconds sound clip from the After the Thin Man (1936) movie soundboard.
You can hear this line at 01:37:34 in the DVD version of the movie.
Quote context
[...]
- Did you ever see this Anderson?
- No.
- Ever hear him up here, above you?
- No.
- He was rather clever and ingenious, this Anderson... Always wore gloves, never left a fingerprint.
- Then walk quietly out, leaving you holding the bag for Robert's murder.
- Now, do you know anyone who thinks enough of you to do that?
- You're Dancer's girl, aren't you?
[...]