An inquest has heard Children's Services would not have prevented the deaths of two boys and their father if they had acted differently.
Ron Lock, who wrote a serious case review into the case said he made seven recommendations for Hampshire County Council's Childrens Services Department.
But he said: "We didn't find that any actions or decisions if they had been made differently, would have changed the outcome."
More top news
Two groups of Somali men have been found guilty of grooming and sexually exploiting under-age girls in Bristol. We tell the story
The Deputy Prime Minister Nick Clegg is in Bristol to announce a huge investment in cycling so that more people will get on their bikes
Laurence Llewelyn-Bowen's much-criticised Magical Journey christmas experience at The Belfry in Sutton Coldfield has re-opened.