New York-Presbyterian Hospital and Columbia University have been covering up the sexual abuse of OB/GYN Robert Hadden for decades. Despite countelss reports, letters, and even a police investigation, New York-Presbyterian Hospital continued to allow Robert Hadden to sexual exploit and abuse female pateints. Over the past 30-years, this has allowed Robet Hadden to become the most prolific serial sexual predator in the history of New York.