Yes no hearings were held, the "Wood's Procedure" happens within the FBI, nonetheless the FISA law demands that the FISC judge makes the final decision as is the case with warrants. "The Guardian has learned that the FBI applied for a warrant from the foreign intelligence surveillance (Fisa) court over the summer in order to monitor four members of the Trump team suspected of irregular contacts with Russian officials.  Rubber stamp. Its pretty clear that the primary means of surveillance at this stage was through FISA warrants. The below statute applies only to communications with foreign powers. FISA means you get to look at all a persons communications.  (A) the electronic surveillance is solely directed at—  (i) the acquisition of the contents of communications transmitted by means of communications used exclusively between or among foreign powers, as defined in section 1801(a)(1), (2), or (3) of this title; or  (ii) the acquisition of technical intelligence, other than the spoken communications of individuals, from property or premises under the open and exclusive control of a foreign power, as defined in section 1801(a)(1), (2), or (3) of this title;