Watch: Ride along with ex-cop who fought MS-13 on LI
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It was 1996 when John Oliva, then an officer with the Suffolk County Police Department, first saw graffiti featuring the name MS-13. Credit: Newsday
It was 1996 when John Oliva, then an officer with the Suffolk County Police Department, first saw graffiti featuring the name MS-13. Credit: Newsday
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