Who was the man known only as "Serpico," who acted as a brutal military enforcer for the ruling junta in Argentina from 1976 to 1983? Learn the disturbing story of businessman Ricardo Miguel Cavallo in this shocking documentary, which recounts how the Spanish government attempted to bring Cavallo to justice in the year 2000 for crimes against humanity. 50 min. Standard; Soundtrack: Spanish; Subtitles: English. In Spanish with English subtitles.