Julia Agrippina: Mother to Nero and Ambitious...

Marie was convicted of murdering her husband by poisoning him with arsenic. But what's most notable about that in doing so, she became the first person ever to be convicted based on direct forensic toxicological evidence, like on Dexter or CSI.

Giulia Tofana was an Italian apothecary known for her beauty, her secrecy and her poisonous proclivities. If the numbers are all to be believed, she may be the most successful serial killer you’ve never heard of. Learn more about your ad-choices at https://www.iheartpodcastnetwor ...  Show more

Forty years ago, cyanide-laced Tylenol capsules led to the deaths of seven people all around the Chicago area. America was gripped by paranoia and fear. Why was this happening? Who would be next? Police grasped for suspects who might be the so-called “Mad Poisoner.” We’re joined ...  Show more

Listeners, we’re popping back into your feed this week to share a special crossover episode from Serial Killers and Conspiracy Theories. Forty years ago, cyanide-laced Tylenol capsules led to the deaths of seven people all around the Chicago area. America was gripped by paranoia ...  Show more

This is the finale of our Serial Killers and Conspiracy Theories crossover: By 2011, the FBI was ready to reexamine the evidence. A theory emerged: What if the Mad Poisoner was actually the Unabomber? Ted Kaczynski had proven he was a revenge-seeking terrorist, and he had connect ...  Show more

Around 2013 heroin users in the US and other countries suddenly started dying from overdose in previously-unseen numbers. The culprit turned out to be the incredibly potent drug fentanyl and it soon created a massive new wave in the opioid epidemic.See omnystudio.com/listener for ...  Show more