Sir Arthur Conan Doyle and the Truth Behind t...

When a group of miners uncovered a skull deep in a mine shaft on the western slopes of Bald Mountain in Calaveras County, California, it was believed, at least initially, to be a history-changing discovery. The owner of the mine didn't know at first what it was that he'd dug up t ...  Show more

During the 18th century, early animatronics were hot. They were featured in circuses, carnivals, and other touring exhibitions, and were usually built and operated with various parts like axles, chains, cogs, gears, levers, pulleys, wheels, wind-up keys – you get the point. For A ...  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