Jaswant Singh Chail, 21, was dressed as a Sith Lord - a villain from the sci-fi franchise - when he climbed into the castle grounds with a loaded crossbow and announced: I m here to kill the Queen .
CCTV images released by police show the moment Jaswant Singh Chail was arrested, him in Windsor earlier that day and on a reconnaissance at Windsor Castle two days before.
The late Queen was at home in Windsor Castle on Christmas Day when Jaswant Singh Chail scaled a wall with a nylon rope ladder and a loaded crossbow. He told police “I’m here to kill the Queen"