<p>In the final episode of The Ratline, the Persilschein and denial continue.  Charlotte Wachter finally brings Otto home. Philippe takes a forensic look at how Otto died and returns to Hagenberg to confront Horst with some new evidence.
In this episode, Dame Sue Black is incorrectly described as a forensic pathologist. She is a forensic anthropologist.
Producer: Gemma Newby
Sound design: Neil Churchill
Research: James Everest and Lea Main-Klingst
Original music by Catrin Finch and Sekou Keita
Otto Wachter: Stephen Fry
Charlotte Wachter: Laura Linney
Other parts by members of the BBC Radio Drama Company</p>

The Ratline: Bonus: Stephen Fry meets Philippe Sands

Twenty-five years on from the deadliest terror attack in history, BBC investigative journalist Jane McMullen asks why thousands of grieving families are still fighting for answers.  
 
In early 2000, two young Saudis arrived in San Diego. They had never been to America, spoke almost no English, and had no idea how to open a bank account or rent a flat. Within weeks they had done all of it. Twenty months later they hijacked a plane and crashed it into the Pentagon. 
 
McMullen investigates the hidden story of a man who helped two of the hijackers - and reveals a story that the US and Saudi governments have fought to keep secret.