Effective counterterrorism and the limited role of predictive data mining
Information about key members of the 9/11 plot was available to the U.S. government prior to the attacks, and the 9/11 terrorists were closely connected to one another in a multitude of ways. The National Commission on Terrorist Attacks upon the United States concluded that, by pursuing the leads available to it at the time, the government might have derailed the plan.
Though data mining has many valuable uses, it is not well suited to the terrorist discovery problem. It would be unfortunate if data mining for terrorism discovery had currency within national security, law enforcement, and technology circles because pursuing this use of data mining would waste taxpayer dollars, needlessly infringe on privacy and civil liberties, and misdirect the valuable time and energy of the men and women in the national security community.
At the CATO Institute.
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