Sorry Newt. I trust law inforcement professionals to make investigative decisions ten times more than I do politicians, like you.
Sorry, politicians answer to the people, while a law enforcement agency accountable to nobody doesn't.
If you don't understand the ramifications of that, then in my opinion you're on the wrong forum.
That's all you need to know...
If most of the people here think politicians should be deciding who to investigate then you might be right.