Thought Police Peek Into Brains: ‘U.S. investigators are facing the daunting task of sorting through more than 700 suspects in connection with the Sept. 11 terrorist attacks. A neuroscientist from Iowa says he’s got the perfect tool to help them do it.

Lawrence Farwell says he has devised a test that will ascertain whether the suspects have criminal knowledge of the terrorist attack by measuring their brainwaves. He calls it “brain fingerprinting.” ‘ Wired

Addendum: A reader asks why suspects wouldn’t be protected against submitting to this procedure by their Fifth Amendment right against self-incrimination. Any thoughts?