 He said he acted in response to concerns by agency employees who were uneasy "about various aspects of this program", who "had the feeling that what the agency was doing was fundamentally inconsistent with past US government policy and American values" and because "a critical legal opinion was missing".A 12-man team worked for over a year, interviewed more than 100 persons, visited all black sites, watched every minute of any existing videotape and reviewed more than 38,000 documents.Helgerson said, "the review was difficult because of the disorganization of the whole interrogation program.