Damian McBride compared his activities as Gordon Brown's spin doctor to those of a "rogue trader in the 1980s", saying Labour leaders were unaware of the way he operated.
McBride told ITV's Daybreak: "I'd compare it to when we had some of the rogue bankers ... people weren't asking enough questions about how they were making their profits."
More top news
Police are searching for the 'despicable' thieves who stole an elderly couple's Christmas money in a distraction robbery.
The row over parking allegedly started after the local council re-paved a road in Harrow.
While most of us think our calorie consumption is around 2,600 it will actually be nearer 6,000 - the same as 12 Big macs.