Famed Canadian attorney Viva Frei and the even more famed master litigator (and bipartisan insider) Robert Barnes have a very enlightening take on this which is very much worth your time.
UPDATE – Former Head NSA Lawyer: Tucker Carlson’s Allegations Merit Further Investigation
Updated: August 1, 2021
The National Security Agency’s (NSA) reported internal review of Fox News host Tucker Carlson’s spying allegations suggests that the matter should be investigated further, according to a former NSA general counsel.
Citing two unnamed sources familiar with the matter, The Record reported last week that the NSA’s internal review found that government officials had “unmasked” Carlson’s identity in classified documents—supporting some of the claims that the Fox News host has made against the agency.
UPDATE August 10, 2021 – Inspector General launches Investigation:
Political Arena 