John Wayne Gacy rosary owned by Gacy prior to his arrest. Includes his original 'Help the Missions' paperback. This is the actual Rosary used by Gacy to demonstrate his 'rope trick' to detective Terry Sullivan when the two met while Gacy awaited trial at the Cook County Jail. Sullivan is well known for his book, on the case "Killer Clown".' Obtained through family of Gacy's legal counsel at trial.