Dateline NBC Lethal Weapon
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Dec 24, 2025 The shocking case of Dr. Autumn Klein unfolds with her sudden collapse after work, leading to frantic emergency efforts. Autopsy findings reveal unexpected blood color and eventually a lethal level of cyanide. The investigation deepens as detectives question her husband, who suggests suicide. Prosecutors build a case of jealousy against him, unveiling online searches and cyanide purchases as motives. The defense counters with claims of unreliable tests, but ultimately, a jury convicts him of murder, marking a tragic chapter in a family's story.
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Career Move From Boston To Pittsburgh
- Dr. Autumn Klein moved from Boston to Pittsburgh with her husband Robert Ferrante to advance both their careers in neuroscience and neurology.
- The couple built a successful life including a young daughter and high-profile positions at the University of Pittsburgh Medical Center.
From Clinic To Critical In One Hour
- An hour after leaving work Autumn collapsed at home and was rushed back to her hospital where doctors struggled to keep her alive.
- Despite resuscitation and life support, she lost brain function and died three days later.
Bright Red Blood Triggered Toxicology
- ER clinicians noticed Autumn's blood looked unusually bright red, prompting a toxicology screen.
- That observation led the medical examiner to pursue toxicology and eventually identify cyanide as the cause of death.