Authorities are questioning Akayed Ullah, the man who they believe set off a low-tech explosive device beneath the Port Authority Terminal in Manhattan Monday morning. The explosion injured four people (including, most seriously, Mr Ullah himself).
Ullah arrived in the United States from Bangladesh with his family in 2011. So far as is yet known, he had no prior run-ins with the law either in Bangladesh or in the United States. A law enforcement official described Ullah as having been “self-radicalized” in recent years, through internet activity and Inspire magazine.
The improvised weapon (a pipe bomb with a nine-volt battery) did not detonate properly, avoiding fatalities, apparently cheating Ullah out of desired martyrdom
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Investigation is underway, but this seems to have been a ‘lone wolf’ attack. Standard counter-terrorism efforts as they have developed in the U.S. since 2001 have aimed at conspiratorial cells, but lone wolves too easily move under their radar.