Family of slain police Officer Mathew Giglio fights to keep his killer, John MacKenzie, locked up

MacKenzie has served 36 years of a 25-to-life

MacKenzie has served 36 years of a 25-to-life sentence.

A slain officer's loved ones are on a mission to make sure that his killer does not get out of prison.

Officer Mathew Giglio was shot by John MacKenzie while responding to a burglary in West Hempstead back in 1975. The veteran cop endured an agonizing two months in the hospital before he eventually succumbed to his injuries.

Giglio's three children were joined by leaders of the Nassau...

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