Jeff Mudgett attempts to prove that his great-great grandfather, Americas first serial killer H.H. Holmes, was also Jack the Ripper.

Jeff and Amaryllis challenge Jack the Ripper myths in the hunt for a link to H.H. Holmes.

The Jack the Ripper letters have an unexpected link to H.H. Holmes, Scotland Yard's list of credible suspects contains a key detail about the manhunt, and witness accounts reveal the face of a killer.

Investigating the gruesome details of Holmes' infamous Murder Castle leads to the discovery that he may have killed beyond Chicago. A report states that the Ripper may have killed in the United States.

Jeff and Amaryllis uncover a surprising connection to the Ripper among the police archives while looking into the 1893 World's Fair where Chicago became HH Holme's killing ground.

HH Holmes sees his schemes begin to unravel and goes on the run. The investigation tries to follow his trail and stumbles upon a long lost crime scene that may prove that the Ripper is Holmes.