Ep 20. Finding Jack the Ripper

Could Jack the Ripper have been the world's first trans-Atlantic serial killer? Can 21st century techniques and CGI 3-D autopsies crack this 19th century crime spree, while reversing decades of investigative assumptions? Retired U.K. murder squad detective Trevor Marriott is determined to finally unmask the Ripper and possibly link him to other murders in Europe and the U.S.