Third Party Risk

The Scientist:
[after Phil takes the microfilm out of the scientist's raincoat] But good gracious, do you mean to say that's been in my pocket all that time? Why give it to me yesterday and take it back today?

Philip Graham:
Cause I felt sorry for you. You seemed to be in a tight spot.

The Scientist:
Why don't you let me have it today?

Philip Graham:
Because I'm in a tight spot now. I think the police suspect that I killed Tony Roscoe.

The Scientist:
But what use are the microfilms to you?

Philip Graham:
Gonna use them as bait. Maybe I can catch the fellow that's behind all this.