The death of a fugitive Italian banker in London sets off an investigation into an international conspiracy that goes all the way to the Vatican.

Rome, 1983. After leaving a music lesson, 15-year-old Emanuela Orlandi vanishes — embroiling the Vatican in a decades-long mystery.

Examining one of the most baffling unexplained deaths of recent years. In August 2010, Gareth Williams, a GCHQ employee on a 3-year secondment to MI6, was found dead inside a…

The case of the Yorkshire Ripper is re-examined by film-maker Liza Williams.