Liza Zulick | Staff Writer On April 17, 2013, Dr. Autumn Klein collapsed on her kitchen floor and was rushed to the hospital. After three days in the hospital, doctors declared her dead on April 20. Later test results determined the cause of her death to be cyanide poisoning. Her husband, neuroscientist Robert Ferrante, is serving a life sentence for the first degree murder of … Continue reading Post-Gazette reporter’s book covers local murder