Historian and author Mei Trow investigates the possibility of an unaccounted Ripper murder, reveals his prime suspect and the early signatures of a serial killer. Watch the one-off Discovery Channel special - Sunday 11 October at 9pm
An analysis of the horrific murder of Mary Kelly suggests that the Ripper gained huge pleasure from inflicting psychological pain as well as the gross acts of mutilation. Watch the one-off Discovery Channel special - Sunday 11 October at 9pm
In 1888, amongst a wealth of hoax letters received by newspapers claiming to be Jack The Ripper, one stands out as especially disturbing. Watch the one-off Discovery Channel special - Sunday 11 October at 9pm
From the shadows that haunt the Victorian streets of Whitechapel steps the sinister figure of Jack The Ripper. Watch the one-off Discovery Channel special - Sunday 11 October at 9pm
120 years on and we are still no closer to discovering the true identity of Jack the Ripper. Historian and author Mei Trow profiles the Ripper in a hope to narrow the search. Watch the one-off Discovery Channel special - Sunday 11 October at 9pm
Historian and author Mei Trow points out the area of Jack the Ripper's killing ground in the heart of the east end of London. Watch the one-off Discovery Channel special - Sunday 11 October at 9pm
By the end of 1940, Britain's best hope in the war against Germany was to convince the US to become an ally. Christmas Under Fire was one of the films produced by the Ministry of Information to help convince the American public that Britain was worth
From the late 1970s to the early 1980s the Yorkshire Ripper murdered thirteen female victims and attacked at least seven more women around the north of England.
For years scientists have been working to uncover the secrets that lie behind serial murders. Now they believe that they have begun to unravel some of the key answers.
Now that the jury has heard all of the evidence presented by both sides of the case, it's time for both the prosecution and the defense to summarise their cases.