Brain fingerprinting is touted to be the next big thing in crime investigations, especially as the risk of terrorists’ attacks on the US have increased since 9/11.

This is also possible as the validity of the controversial polygraph tests are increasingly being questioned, as many people have ways in which they may ‘cheat’ the lie detector so they may have favorable results (Wen, 2001). Thus, agencies like the FBI and the CIA are already using this technology to uncover those who are lying. Brain fingerprinting has also been used in a few court cases, and in one, it was determined that a suspect who had been in jail for over two decades was not guilty of the murder he was accused of committing (, ND).

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