Sean Smith pleads not guilty to murder of Matthew Walker

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Sean Smith pleaded not guilty to the murder of Matthew Walker last August among other charges in D.C. Superior Court this week.

Smith, indicted for murder while armed, possession of a firearm during a crime of violence, unlawful possession of a firearm due to a prior conviction and carrying a pistol without a license. The case will now head to trial.

Smith has been held in jail since October of 2016.