Now that they where they can't do any more real damage, investigate them all and find out which ones are dirty.
In fact, he's been put in a holding cell where he's kept busy & distracted while he's thoroughly investigated & evidence collected of his political fixing.
1) removed from where they could do real harm and compromise real investigations
2) given a cover story so they wouldn't realize they themselves are now being investigated.
They came into office already knowing about it.
Which he did by getting himself very publicly fired & then demanding the appointment of a special counsel to investigate the supposed obstruction of justice
Meanwhile the DOJ IG Horowitz is in the deep background, doing his own investigation.
The counter intel people get played by masters.
Too late he realizes "HOLY SHIT....*I'M* THE ONE BEING INVESTIGATED....we're ALL being investigated...the IG has been behind us all this time, watching us!"
The evidence has already been collected, processed, cataloged.
Stealth Jeff got them all.