An au pair who sexually abused more than 20 children he was meant to be looking after has been described as "every family’s worst nightmare".
Aaron McWilliams has been jailed after he sexually abused a large number of children in County Armagh, London, Germany and Italy.
He had been charged to care for them as a live-in au pair, Belfast Live reported. Commenting on one of the worst child abuse cases in recent years in the UK, a Metropolitan Police spokesperson described the 28-year-old as a "predatory paedophile who sexually abused a large number of children he was entrusted to care for".
They added: “He is manipulative, cold, calculating, and highly dangerous to children and young people." When he was sentenced for his most recent crimes
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