Authorities in Buffalo say that a 19-year-old man is responsible for eight shootings over the past 15 months.

Diamond Lewis was arraigned on two counts of second-degree murder, attempted murder and assault charges after killing two young men and injuring six others between October 2014 and January 2016.

Diamond Lewis was arrested at a Buffalo hospital back in January, while being treated for a gunshot wound.

He pleaded not guilty and is being held without bail.

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