Ingenious is a Documentary programme.

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Ingenious: The Warrior Gene

Series 2, episode 3

Is there really a gene that makes some people more violent than others? And should certain criminals get a lesser sentence because of what's in their DNA? Dr Kat Arney investigates the so-called warrior gene, which is being used as a defence in certain grisly crimes, with the help of psychologist Dr Sally McSwiggan and Dr Jari Tiihonen

Cast (unconfirmed)

Kat Arney
Penny Murphy