Since opening its doors in 1850, The University of Michigan's School of Medicine has been one of the most prestigious medical schools in the country. But not all of its pupils perfected the art of saving lives. Some of them went on to do the exact opposite. In 1882, two men with similar names and matching handlebar mustaches entered the program. One went on to become America's first serial killer, while the other became the subject of the most infamous transatlantic manhunt in history. Both men would eventually be sent to the gallows and hanged for murder. But not before each, separately, was accused of being Jack the Ripper. Did the world's most infamous unknown serial killer get his start at Michigan's most infamous college?