<P> Before the story's main narrative, Aringarosa puts him in contact with an enigmatic figure called The Teacher and tells him that the mission he will be given is of utmost importance in saving the true Word of God . Under the orders of The Teacher, he murders Jacques Saunière and the other three leaders of the Priory of Sion in order to extract the location of the Priory's clef de voûte or "keystone". However, Silas is reluctant to commit murder, knowing that it is a sin and does so only because he is assured his actions will save the Catholic Church . Shortly after Silas kills Saunière, Harvard professor Robert Langdon is suspected by the French police to be the murderer and goes on the run with the help of Saunière's granddaughter Sophie Neveu . </P> <P> Silas follows the information given by the Priory leaders to the Church of Saint - Sulpice . However, he discovers that he was duped with false information, and he also kills Sister Sandrine Bieil who had spied on him in the church . The Teacher later tells Silas to go to Château Villette, the residence of Sir Leigh Teabing where Langdon and Sophie have sought refuge, saying that the keystone was there . Silas enters the house and injures Langdon but is subdued by Teabing and Sophie . After being bound and gagged with duct tape, Silas is taken by the three and Teabing's butler Rémy Legaludec to London via Teabing's private jet . </P> <P> At London, after Teabing, Langdon, and Sophie enter the Temple Church to search for clues to the Grail, Rémy releases Silas and reveals to him that he works for the Teacher . He instructs Silas to get the keystone, kidnap Teabing, and leave by the limousine . Little does Silas know that Teabing is actually the Teacher . Teabing calls Silas from the rear compartment of the limousine and tells him to go to the London Opus Dei Centre for some rest, but at the same time makes an anonymous call to the police and informs them of Silas's whereabouts . </P> <P> After resting in his room in the Centre for some time, Silas suddenly feels a little uneasy . He looks out the window and sees police cars . Panicking, he attempts to escape, fighting policemen along the way . Almost naked, he runs out from the Centre successfully but is shot by a policeman below the ribs and accidentally shoots Bishop Aringarosa, who had just arrived . </P>

How does silas die in the da vinci code