A murderous couple who hacked up two housemates with meat cleavers and then scattered their heads and other severed remains across Long Island confessed to the grisly horror in court Tuesday.

Jeffrey Mackey, 40, was spared a life prison sentence, instead receiving 22 years behind bars, after he claimed he was abused by the victims, while his girlfriend Alexis Nieves, 35, landed 11 years as part of plea deals.

“While the crimes that were committed were violent and tragic — justice in this case required balancing accountability for the harm caused with recognition of the documented abuse history which we cannot comment on,” Suffolk County District Attorney Ray Tierney said in a statement.

The killers confessed to murdering and chopping up Malcolm Craig Brown, 53, and his wife Donna Co

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