What would you do if you were sat next to a convicted serial killer on a plane? Known as The Serpent, for his snake like ability to avoid detection from the authorities and escape from prison... The infamous Charles Sobhraj - fraudster, thief, and murderer - slithered around South East Asia during the 1970's, praying on western tourists, covering up his crimes by dressing his victims in bikini's to look like they've drowned. Helen and Danni find out how and why after all his vicious crimes and at least twenty murders, The Serpent walks the streets of France today...

Devils in The Dark contains details of graphic violence, murder and suicide. It is not intended for all audiences. Listener discretion is strongly advised.

For updates on Devils in The Dark and all things true crime, head to @devilsinthedark on Instagram! You can also follow Helen Anderson at @helenanderz and Danni Howard at @thatdannihoward.

If you have been affected by any of the themes in this week’s episode please consider contacting the following resources:

The Samaritans helpline: 116 123

Confidential Emotional Support Line: 01708 765200

Rape Crisis Helpline: 0808 802 9999 (help is also available at live chat at https://rapecrisis.org.uk/get-help/live-chat-helpline/ *times apply)

Sexual Assault Support Line: 01708 765200

Refuge domestic abuse helpline: 0808 2000 247 (live chat is also available at https://www.nationaldahelpline.org.uk/Contact-us *times apply)

Safeline domestic abuse helpline: 01926 402 498