Hieroglyphic markings unseen for 4,500 years have been revealed by a robot explorer inside a secret chamber in the Great Pyramid of Giza. It's hoped that the markings may explain the purpose of the mysterious tunnel/chamber. More at CNN.
In the first half of the program, host Dave Schrader (email) welcomed author and crime researcher, Diane Fanning, who discussed the terrifying case of Tommy Lynn Sells, a serial killer who made his way across the country for two decades. Open Lines followed in the latter half.