He doesn't seem to have a past.
2 seconds sound clip from the Sneakers movie soundboard.
You can hear this line at 00:13:10.490 in the Blu-ray version of the movie.
Quote context
[...]
- Terminated, 1987. Why was that?
- I don't know. I think maybe a personality conflict.
- Relax, Marty. We have to check on these things.
- It's just everybody on your team has had some sort of problem in their past.
- And then there's Martin Bishop.
- He doesn't seem to have a past.
- Sorry to waste your time, gentlemen. I don't work for the government.
- We know.
- Oh, you're the guys I hear breathing on the other end of my phone.
- No, that's the FBI. We're not chartered for domestic surveillance.
- Oh, I see. You just overthrow governments, set up friendly dictators.
- We protect our government's communications, try to break the other fellow's codes.
[...]