As this great report notes, the surveillance happened, using supposed ‘Russian connections’ between a Trump server and a Russian bank to justify it. Then when nothing was found, the surveillance still continued, according to this report.

Obama used the fisa court to tap the wires at Trump Tower during the election. WATCH!!!!!! FISA COURT HAS PAPER TRAIL! pic.twitter.com/hRCO1Figf6

— Russian Agent Cracka (@HouseCracka) March 4, 2017