Written by Your 5News Team
Last updated on July 30, 2013 @ 2:34PM
Created on July 30, 2013 @ 2:32PM
This undated photo provided by the Allegheny County District Attorney shows University of Pittsburgh medical researcher Dr. Robert Ferrante. / AP PHOTO/ALLEGHENY COUNTY DISTRICT ATTORNEY
PITTSBURGH (AP) - A University of Pittsburgh medical researcher has pleaded not guilty to charges of criminal homicide alleging he poisoned his neurologist wife by lacing an energy drink with cyanide.
Dr. Robert Ferrante pleaded not guilty Tuesday during his arraignment in Pittsburgh a day after he waived extradition from West Virginia, where he was arrested last week.
Ferrante, who is being held without bond, will have a preliminary hearing on Aug. 9.
Ferrante's attorney, William Difenderfer, has said his client "adamantly" denies any involvement in the April 20 death of his wife, Dr. Autumn Klein.
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