Imagine a tiny baby in the first few weeks of her life. All she's aware of is a mass of sensations. Cold air, bright light, a wet nappy.She has no idea where this comes from, what it is, what to do about it. All she knows is it's not nice. That's all she's aware of.And then there are some other sensations. The taste of warm milk, warm soft hands holding her. These are nice.When she feels something not nice, she cries and magically an adult appears, picks her up, talks to her soothingly. It's okay. It's all ...

Tonight, we have details of a classified US intelligence mission that has obtained a previously unknown weapon that may finally unlock a mystery. Since at least 2016, US diplomats, spies, and military officers have suffered crippling brain injuries. They've told of being hit by an overwhelming force damaging their vision, hearing, sense of balance, and cognition.But the government has doubted their stories. They've been called delusional. Well, now 60 Minutes has learned that a weapon that can inflict these ...

60 minutes rewind. >> In 2016 and 17, 25 Americans, including CIA agents who worked in the US embassy in Cuba, suffered serious brain injuries, causing impaired vision and memory loss, among other persistent symptoms. Now, we've learned that at least 15 American officials in China suffered unexplained brain trauma soon after.The FBI is now investigating whether these Americans were attacked by a mysterious weapon that leaves no trace. Over many months, we have been collecting evidence of what appears to be ...