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Luke Mitchell takes lie detector over Jodi Jones death

14 January 2013 Last updated at 14:53 GMT

A video of Luke Mitchell, who was convicted of murdering his 14-year-old girlfriend Jodi Jones almost 10 years ago, has been posted on YouTube.

The film shows Mitchell denying the murder while taking a lie detector test in prison.

He was jailed for murder in 2005 and has always protested his innocence.