Our man is Endicott.
2 seconds sound clip from the In the Heat of the Night (1967) movie soundboard.
You can hear this line at 01:22:50.183 in the Blu-ray version of the movie.
Quote context
[...]
- Morning.
- Hey. Where do you think you're going?
- I've just gotten off the phone with the FBI lab.
- We can prove that Colbert was there in that greenhouse. Endicott's covering up.
- I'm afraid you're a little late. We already got the guilty man.
- Who?
- Sam.
- Sam?
- You just think a minute. Didn't you catch Sam in a lie last night?
- And yesterday he goes ahead and makes a big cash deposit at the bank.
- Then why was it in big bills? 'Cause I checked at the bank.
- Because whenever I got enough change, I'd trade it in on $20 bills.
[...]