In ', Yoda confides to Mace Windu (Samuel L. Jackson) that the prophecy of the Chosen One could have been misread. Palpatine (Ian McDiarmid), who is revealed to be Darth Sidious, manipulates Anakin's love for Padmé and distrust of the Jedi in order to turn him to the dark side and become his Sith apprentice, Darth Vader. The latter begins helping Sidious hunt down and destroy the Jedi, who are nearly exterminated during the events of "Revenge of the Sith"; Obi-Wan Kenobi and Yoda are among a handful of Jedi that avoided the initial purge. As revealed in the ' series, each of the clones were implanted with chips that Palpatine would activate with the command Order 66: "Operation Knightfall", a law that states: