On March 4, President Donald Trump tweeted:

Terrible! Just found out that Obama had my "wires tapped" in Trump Tower just before the victory. Nothing found. This is McCarthyism! — Donald J. Trump (@realDonaldTrump) March 4, 2017

In a motion for summary judgment on a lawsuit related to a Freedom of Information Act request the watchdog group American Oversight filed earlier this year, the Justice Department said Friday that "Both FBI and NSD confirm that they have no records related to wiretaps as described by the March 4, 2017 tweets." The full document can be found below.