http://www.thegatewaypundit.com/2017/03/fbi-granted-fisa-warrant-wiretap-trump-tower-media-claims-provides-no-evidence/
http://www.motherjones.com/kevin-drum/2017/01/guardian-fbi-asked-warrant-monitor-trump-aides
Publications from BOTH the left and the right report that there were 2 FISA warrant requests (the first was shockingly denied). heck TRANSCRIPTS of phone calls have been leaked...
You can try and claim that the taps were legal and/or justified, but you can NOT deny that there were taps.