Quote:

The thing is, what happens when you appoint someone who really doesn't want the job. They stay there for years, develop a bit of a drinking/gambling problem, start demanding payoff from the less reputable producers, maybe take a whore mistress, who turns him on to the Meth, so he starts demanding more payola. At this point, he's ripe for the plucking by the Mob and the corruptor has become the corrupted. He hasn't owned his own soul in twenty years and he's desperately looking forward to the day when he can retire to a little house in Arizona somewhere. But he can't because he's owned by the Mob, by the Meth and by his mistress. He'd be better off unloading his service weapon into his head. Another sad tale of the Bureau.



Gee, that's certainly a colorful piece of (entertaining) fiction but I'd suggest it another way. Most large companies and public organizations have rotational assignments that last a given period of time. At the end of them, you are given a career boost if you did well or at least a spot you wanted but had not paid your dues to achieve initially. Exactly how a law enforcement organization would evaluate "doing well" might be a tough call to make but it would circulate a variety of agents through the admittedly weird spot with the protections of no one being too able to get too comfortable in the position to allow your scenario to take hold. The "Iron Triangle" you describe would be largely truncated by my suggestion, also allowing agents trapped in a crummy assignment to break free at some point to do the kind of work most of them probably signed on to do.
_________________________
"I'm rich. I'm a strong, trained fighter. I own a gun. And I am completely...fucking ... psychotic." Kurt Lockwood ranting yet again