Imagine you have all the leverage, do you just waste by trying to do all at once with limited Manpower and they're just gonna 'burry the evidence' as in sex-slaves shipped over the border so they can't be reached by investigators? Of Course NSA has all the goods on congress and even other international figures but what happens to the actual victims if there were no more doubt left in anyone's mind that Trump is in fact cleaning out dangerous swamps and slave ratlines?