How was Dr. Larry Nassar able to sexually abuse over 500 victims, almost all of them young female gymnasts, over a period of 25+ years, in plain sight? He abused many of them while their parents sat right next to them, or across the room. And what culture of abuse was exposed when he was finally...

What really happened to a group of seven hikers in the Khamar-Daban mountain range in Siberia on August 5th, 1993? Did six of them really begin to bleed from their eyes and ears before they all died in a state of utter madness? And if so - what, exactly, killed them? We look at the known facts...