Well this just happened.
The Justice Department is conceding that two of the four FISA applications it used to conduct surveillance of former Trump campaign aide Carter Page were not lawful
https://www.fisc.uscourts.gov/sites/default/files/FISC%20Declassifed%20Order%2016-1182%2017-52%2017-375%2017-679%20%20200123.pdf