The Fitzgibbon family "convicted themselves by their own words, in their own house", police said after officers hid a listening device in the family's detached home in an affluent Merseyside suburb.
In covert recordings the brothers can be heard bickering over who is the better drug dealer and in another Jason can be heard singing a version of Jessie J's song Price Tag. He can be heard singing: "It's all about the money, money, money."
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Temperatures will be on the warm side tomorrow as much of the country looks forward to a fine bright start to the day.