- I'll have to have an alibi.
- Have you thought?
- I've thought about it... I've thought about it all day and it's all right, it's good.

10 seconds sound clip from the Consequence (1949) classic radio play.

You can hear this line at 00:20:58 in the radio play.

Quote context

[...]

- Very well, although I don't see there's very much to talk about...

- Well, will you go outside or shall we?

- I'll go... I'll wait in the car

- Oh, Phil!

- It's all right, Joe.

- I don't mind now.

- Neither do I.

- Do you think you can do it?

- Me?

- I'll have to have an alibi.

- Have you thought?

- I've thought about it... I've thought about it all day and it's all right, it's good.

- She'll disappear the same way I did.

- A fire?

- Yeah.

- Only I'll have to be down at the store when it happens.

- This place will go up like kindling, and when they pull her out, they'll think it's you. Nobody knows she's up here and I'll be there to say it is you.

- How are you going to...?

- I've got it all fixed... in the cellar.

[...]