A reward of up to $6,500 is being offered by the ATF Syracuse Field Office, the U.S. Marshals Service and Mohawk Valley Crime Stoppers for information that leads to the arrest of Robert Coffin.

Coffin is accused of shooting and killing Thomas Shepherd outside a Rome bar over the weekend.

Authorities say if you see Coffin, do not try to apprehend him as he is considered armed and dangerous.

Anyone with information on Coffin's whereabouts is asked to contact Rome Police at (315) 339-7715 .

Anonymous tips can be submitted at the Mohawk Valley Crime Stoppers website.

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