Retired Murder Squad Detective Trevor Marriott thinks he has finally unmasked Jack the Ripper. This fast-paced stylish film follows Marriott to Germany and the US as he investigates a new theory that the Ripper was a German merchant seaman. Marriott uncovers new evidence that challenges many long-held beliefs about the Ripper. Shot in 3 countries, with extensive use of drama recon and 3D CGI, this is a new and fresh take on the world's most notorious murder case.

EP: Philip Dampier-Armstrong (ITN) / Richard Wells (Nat Geo)

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