Matt Burton, of the Serious Organised Crime Agency in the North West, said the Fitzgibbon family "revelled in their notoriety":
What we're talking about here is a family who have held a very tight rein on areas of Liverpool for quite a number of years. They thought they were untouchable.
Their motive? Financial greed, and greed in terms of their status and notoriety.
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Sir Bruce Forsyth, Sir Cliff Richard and the Prime Minister have been among those paying tribute to Cilla Black following news of her death.
TV favourite Cilla Black, who has died aged 72, gave viewers a "lorra, lorra laughs" during her long career.
Some rain in the north. Very warm sunshine in the south