"Official" Washington was rattled on Aug. 9 when news broke that U.S. diplomats in Havana had been sickened a mysterious illness that no one could put their finger on. It was so bad that several had to be sent home or reassigned. It had been going on for months. But no one had any answers until doctors determined they were likely suffering from some kind of ultrasonic device. It is a weapon that authorities struggled to define. CBS correspondent Steve Dorsey broke the story. He tells Target USA what he's learned. Also, former State Department counterintelligence official Robert Booth tells us he believes he's figured out what happened.