Two suspects charged with murder plead not guilty at arraignment in county court The two suspects charged with murder, Tyara Lemus, left, and Alcides Lopez-Cambara pictured at their arraignment at Riverhead Justice Court in December. (Credit: Steve Wick) The two suspects charged with murder for the killing of a Sag Harbor man in Riverhead in November were arraigned in Suffolk County Court Jan. 11 and remanded without bail, according to court records. Tyara Lemus, 18, and Alcides Lopez-Cambara, 40, were indicted by a grand jury on two felony charges: second-degree murder and first-degree robbery. Both pleaded not guilty at the most recent arraignment.