Senate Intelligence Committee chairman Richard Burr said on 16 March there were "no indications" that Trump Tower was the subject of surveillance by any element of the US government either before or after Election Day 2016.
Earlier that day, House Speaker Paul Ryan also said "no such wiretap existed".
And the previous day, House of Representatives Intelligence Committee chairman Devin Nunes said: "We don't have any evidence."
"I don't think there was an actual tap of Trump Tower," he told a news conference.
"Are you going to take the tweets literally?" asked Rep Nunes.
"If so, clearly the president was wrong."
http://www.bbc.com/news/world-us-canada-39172635
Justice Dept: No evidence of Trump Tower wiretapping.
http://thehill.com/homenews/administrat ... iretapping
DOJ: No evidence Trump Tower was wiretapped.
http://www.foxnews.com/politics/2017/09 ... apped.html
No Evidence Trump Tower Was Wiretapped, Justice Department Says
https://www.bloomberg.com/news/articles ... tment-says