neurology at the prestigious university of pittsburgh medical center. she was married to another successful neurologist and together, they had a 6-year-old daughter. by most measures, dr. klein had it all. but on a recent friday night, there were investigators searching her beautiful home, carrying out items like computers and vacuum cleaners, even taking the family cars, all in an effort to solve a tragic mystery. this doesn t happen. this is like somebody said it s like a movie. reporter: it all began on the night of april 17th on this street at the home of dr. klein. when according to authorities, her husband, 64-year-old dr. robert ferante, called 911 to say that he thought his wife was having a stroke. dr. klein was rushed to her own hospital, where she died three days later. early test results suggest it was no stroke or heart attack or aneurysm. it was poison. the preliminary autopsy revealed she died of cyanide poisoning.
robert ferante, called 911 to say that he thought his wife was having a stroke. dr. klein was rushed to her own hospital, where she died three days later. early test results suggest it was no stroke or heart attack or aneurysm. it was poison. the preliminary autopsy revealed she died of cyanide poisoning. the source close to the investigation says the levels in her system were enough to make her collapse in 30 seconds. but how did she get it? police looked at three possibilities. suicide, accident, or murder. dr. klein s parents say their daughter would never have killed herself. she had too much to live for. there was even talk of having another child. so i picked up the phone and called deborah bloom. she wrote the book on poison, the poisoner s handbook. how likely is it to be an accident?