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.
More top news
Windy and wet weather to end the month of May
They made it across a deadly sea this year, but their journey to what they hope will be political asylum had only just begun.
Scientists used modern forensic techniques to review the 'cold case' and determine the victim was probably killed by two blows to the head.