The coldblooded parolee who allegedly slaughtered an elderly Queens couple and torched their homes was on the streets after getting a pass for a sex offender registry violation, officials confirmed.

Convicted sex offender Jamel McGriff, 42, was out of prison for more than a year when the Department of Corrections and Community Supervision received word from the NYPD that the career criminal failed to register his address as required on the registry in 2024, a department spokesman said.

But instead of being slapped with a parole violation, he continued to walk free until Wednesday when he was busted for the shocking double murder of Frank and Maureen Olton inside their Bellerose home — where they were found bound, stabbed and torched after up to five hours of terror at his hands. 3

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