Derbyshire Police have confirmed they launched an investigation into allegations of further offences committed by Mick Philpott.
Philpott and his wife Mairead were jailed in April after being convicted of the manslaughter of their six children. Jade, 10, and her brothers John, nine, Jack, eight, Jesse, six, Jayden, five, and Duwayne, 13, died following a fatal house fire at their Derbyshire home.
More top news
Police e-fit software been used to create the faces of the most beautiful man and woman in the world.
A new law which allows councils to ban activities in public spaces is leading to "bizarre new criminal offences", campaigners claim.
The Serious Fraud Office has been fined £180k after confidential documents from a high-profile investigation were sent to the wrong person.