America's first serial killer was known as a con-man and master manipulator. But Holmes had many skeletons in the closet - literally. Herman Mudgett changes his name later in life so the cons he committed in medical school don't catch up to him. Known as H.H. Holmes, he decided to build a murder castle with a very innocent facade of a pharmacy and other retail shops. The building includes a third-story hotel, where he prays on his guests. No one knew what was on the second floor because Holmes hired and fired multiple workers during the build. With his brilliant mind, could the conspiracy that him being Jack the Ripper be true?