“may be evidence the bureau spied on Trump campaign officials after the election.”
Didn’t we already know this? Bugging of the Oval Office was what sent Trump to work outside of the White House for a few weeks. The story was that they were revamping the HVAC system in the Oval Office.
Major work was done while Obama was President in the oval office area I believe. I thought then as I do now; they were placing hidden bugs in the walls.