A mysterious cyanide death resurfaces in the Tylenol murders investigation, DNA reopens a defining chapter of American history, brain-computer interfaces move closer to personalized treatment, and artificial intelligence starts influencing what Americans eat.

On today's TMI Show with Ted Rall and Manila Chan...

For more than four decades, a well-dressed stranger found dead inside an Idaho church had no name. Investigators have finally identified the “Unknown Wanderer,” but the contents of his past have raised a far more chilling possibility involving one of America’s most notorious unsolved crimes.

A lock of hair reportedly taken from Thomas Jefferson on the day he died is offering new genetic evidence in the long-running debate over his relationship with Sally Hemings. The 15-year Smithsonian investigation confronts the private history of the man who wrote America’s most famous declaration of equality.

Brain-computer interfaces are moving beyond fixed electrical stimulation. Newer systems can monitor neural activity, recognize abnormal patterns and adjust treatment in real time, offering hope for people with Parkinson’s disease, epilepsy, depression and paralysis. The medical promise is enormous, but so are the questions about surgery, cost and ownership of neural data.

Americans are increasingly asking artificial intelligence what they should snack on. A massive analysis of 53 million shopping transactions finds consumers searching for protein, fiber, energy and bolder flavors instead of reaching automatically for familiar brands. Even Slim Jims apparently need a digital strategy now.

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