Comey lied to Congress.
Comey was never asked directly: was Trump or the campaign wiretapped? The closest question is: did Obama have Trump wiretapped.
transcript here: https://www.washingtonpost.com/news/post-politics/wp/2017/03/20/full-transcript-fbi-director-james-comey-testifies-on-russian-interference-in-2016-election/
The hearing is not an investigation, it’s a psy-op.