Spy in the Bag: Mystery of MI6 agent Gareth Williams who was found dead in holdall
![Spy in the Bag: Mystery of MI6 agent Gareth Williams who was found dead in holdall](https://i2-prod.mirror.co.uk/incoming/article33203549.ece/ALTERNATES/s615/0_Spy-split.jpg)
As Channel 5's documentary The Spy in the Bag explores the death of M16 agent Gareth Williams, the Mirror takes a look at everything we know about his mysterious case