Judge Brett Kavanaugh, a finalist to be President Trump’s next Supreme Court nominee, is drawing criticism for his interpretation of the Fourth Amendment, with a prominent Republican calling his views on government call-record collection “troubling.”

Kavanaugh, a judge on the U.S. Court of Appeals for the D.C. Circuit, offered an expansive legal justification for the National Security Agency’s discontinued call record dragnet in a little-noticed November 2015 concurrence.