What people don’t realize is that a prosecutor is like any other job - pressure from the boss to deliver, long hours, “sunk cost fallacy” and all the other crap you see in big corporates.
Not to excuse the behavior, but more highlighting what contributes to it.
Once a prosecutor thinks he has a case against you, you’re pretty fucked to be honest because it rare for them to ever admit fault or back down.
I don't know how the senate is set up in the US, but prossecutors are supposed to decide freely. The "boss" is in the worst case just another layer in the prossecution, that's not just a job but an institution.
The general attourney from Germany denied the NSA case because he found no evidence. He's also bound by orders from the justice department ("weisungsgebunden")
Not to excuse the behavior, but more highlighting what contributes to it.
Once a prosecutor thinks he has a case against you, you’re pretty fucked to be honest because it rare for them to ever admit fault or back down.