You're almost ready to watch:
The content protection requirements for this programme is not supported on the web.
Please catch it on the meWATCH app.
Encrypted contents are not supported on Chrome browser. Please open the page in a different browser. You can also refer to our FAQ for more info.
Sorry, due to rights agreement, we are unable to offer this content in your territory.
By Channel 5 Published: 14 Feb 2020 Audio: English
Channeling sibling rivalries and deadly childhood pacts, this series follows true-crime mysteries surrounding cases of these double-duty archetypes. Each episode reveals a pair of sinister siblings: twins who tag team to kill together, twins who turn on each other, and even the good twin vs the evil.
Your account has been logged out.
[Error code: 11] Login Unsuccessful, please retry again. If the problem persists, please contact customer care
Please wait. Processing