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Early Breakfast with Jenni Falconer 4am - 6am
22 February 2011, 10:40
19 year old Brett Mason was found guilty of abusing the girls, both aged under 15, at his static caravan in St James Deeping last March.
He'll have to serve a minimum of 6 years in jail before he's eligible for parole.
He's also been banned from working with children and ordered to sign the Sex Offenders Register.