NEW YORK —
The county medical examiner says a 41-year-old University of Pittsburgh neurologist died from a lethal dose of cyanide and has ruled her death a homicide.
No arrests have been made in the April 20 death of Dr. Autumn Klein, though police were known to be investigating her husband, a researcher at the University of Pittsburgh Medical Center named Dr. Robert Ferrante.
Ferrante’s attorney has denied his client was involved in Klein’s death.
She died three days after collapsing at home, when Ferrante called 911 to report she appeared to have had a stroke.
Dr. Karl Williams, the Allegheny County Medical Examiner, had previously said cyanide was found in Klein’s system after she died. But until Thursday he hadn’t confirmed the poison killed her or ruled out accidental poisoning or suicide.