The Chicago Rippers (or Ripper Crew) was a satanic cult and criminal organization composed of Robin Gecht and his three associates. They were involved in the dissapearance of 18 women in 1981. Gecht was a man who once worked with infamous murderer John Wayne Gacy. Gecht was charged for the rape of women including an 18 - year old prostitute and was sentanced to jail for 120 years. Andrew Kokoraleis was executed in 1999 for killing a 21-year old. Andrews' brother Thomas was sentanced to jail until 2017 along with psychiatric help. Spreitzer was also sentanced to death.