The defendant in the attack last month that injured Rochester Police Officer Denny Wright has entered a not guilty plea.
Keith Williams will remain held without bail.
Wright was stabbed in the face when he responded to a report of domestic trouble at an address on Peck Street. He left rehab last week, but is been unable to see.
Williams was indicted last week on charges of attempted aggravated murder, second degree attempted murder, aggravated assault of a police officer and first degree assault.