Agence France-PresseApril 24, 2013 02:01
The Boston bombings have highlighted the practically impossible task US law enforcement faces in preventing terror attacks by determined radicals acting in isolation, security experts say.
Despite evidence that one of the suspects, Tamerlan Tsarnaev, had popped up on the radar of US authorities prior to last week's twin blasts, analysts warn attempting to thwart similar attacks in future may prove futile.
Tsarnaev, 26, is suspected of carrying out the April 15 attacks with his brother Dzhokhar, 19, which left three people dead and 264 injured.
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