He has the key to the front door, which he said would only be opened over his dead body. I suggest we take him up on that offer.

15 seconds sound clip from the Clue (1985) movie soundboard.

You can hear this line at 00:27:16.643 in the Blu-ray version of the movie.

Quote context

[...]

- Open them.

- Why not? I enjoy getting presents from strange men.

- A candlestick? What's this for?

- In your hands, you each have a lethal weapon.

- If you denounce me to the police, you will also be exposed and humiliated. I'll see to that in court.

- But if one of you kills Wadsworth now, no one but the seven of us will ever know.

- He has the key to the front door, which he said would only be opened over his dead body. I suggest we take him up on that offer.

- The only way to avoid finding yourselves on the front pages, is for one of you to kill Wadsworth... now.

(Gunshot)

(Mrs. Peacock screams)

- It's not Wadsworth!

[...]