6 clues to go.
See the 5 characters in 6 lines.
Initiator of the troubles, I think I know who that is. If so, 5 cells should not be a problem.
KGB seems a collaboration of which I can guess one, though I can't be sure.
For proper completion, correctly guessing the redacted words / letters is essential. I have only guessed a few.
Will look at the rest tomorrow.