Brain scans could uncover psychopaths, say researchers (3:17)
Dec. 17 - The brains of psychopaths are different to those of normal people, according to a growing body of evidence being studied by neuroscientists. In the wake of last Friday's school massacre in Newtown, Connecticut, speculation mounts about the mental state of the gunman, Adam Lanza, and although little is known at this stage, scientists say it may be possible in the future to identify potential murderers through structural abnormalities in their brain. Jim Drury reports. ( Transcript )
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