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20th October 2017
12:05pm BST

Filming the documentary was an eye-opener for her, she revealed.
She said she now believes the reasons that children commit such a serious crime are complex but often arise form their upbringing.
"What I have learned on the journey I have been on whilst making this show is that there is no simple answer. I do not believe children are born evil.
"Each of the four cases the show investigates had a common denominator of the children having a complex, if not abusive, home environment.
"I have worked with children of all ages and have found that their issues usually come from a place of innocence, which is why being on this journey has been shocking for me on a personal level."
The series is currently running on UK channel Crime + Investigation on Sunday nights.
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