Question: Disappearance of Renee MacRae, Britain's longest running missing persons case, is as notorious as the murder cases of this serial killer involved with how many people? 
Sentence (from "Missing persons (Pakistan)"): According to Amina Masood Janjua, a human rights activist and chairperson of Defence of Human Rights Pakistan; a not for profit organization working against enforced disappearance there are more than 70,000 reported cases of enforced disappearance in Pakistan.
Relevant evidence: No