In December 2012 their charges were downgraded to manslaughter .
The parents of the children , Mick and Mairead Philpott , were later arrested and charged with murder , along with their friend Paul Mosley .
In December 2012 parents ' charges were downgraded to manslaughter .
The parents of the children , Mick and Mairead Philpott , were later arrested and charged with murder , along with their friend Paul Mosley .