>I believe PICKLE refers to military slang for hitting the bomb release button.
A "Pickle", or "in a bit of a pickle" is British slang for a difficult situation, or quandary. In this case, whether to reveal names of corrupt officials + con deal or not. Which option gives a better outcome?
As always with Q, secondary meanings can come into play, and yours (bomb release) certainly applies, but I think in the more euphemistic sense of the BOOM the name release would cause.