The scenario that he may have been advertently involved is a worthless prognosis.
He was not a “private citizen” being wiretapped.
He was the nominee by a major party for POTUS, and the wiretaps occurred in the heat of the campaign.
High Crimes.
In court it would be called Conspiracy to Deny civil rights under the Color of Law. Plus all the violations of the the FISA laws.
But the political “crime” is the worst of all.