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Input: Sayfullo Saipov  29  who arrived in the U.S. from Uzbekistan in 2010   entered the plea in U.S. District Court in Manhattan in connection with the Oct. 31 vehicle attack.
After the attack  investigators say  Saipov  told them  he  was inspired by watching Islamic State propaganda videos and that " he  felt good about what  he  had done " NPR's Joel Rose reports.
 His  court-appointed lawyer declined to comment after the hearing.
Days later  President Trump tweeted that  Saipov  "SHOULD GET DEATH PENALTY!" and perhaps be sent to U.S. military's detention center at Guantanamo Bay  Cuba. As The Washington Post has noted  the president's "off-the-cuff remarks seemed to risk complicating matters for federal prosecutors."
After  Saipov 's plea on Tuesday  his court-appointed attorney  David Patton  declined to comment on the case  according to Reuters.
In the attack   Saipov  is alleged to have driven a rented Home Depot pickup onto the bike path along the West Side Highway  mowing down people until the vehicle collided with a school bus. After the crash   he  allegedly jumped out of the truck yelling "God is great" in Arabic.
Even so  authorities reportedly believe  Saipov  was a "lone wolf."
Reuters says Saipov's sister  Umida Saipova  told the news agency in a phone interview earlier this month from Tashkent  Uzbekistan  that she believed her brother had been "brainwashed." Reuters says it also interviewed an Uzbek acquaintance of  Saipov  living in Ohio  Mirrakhmat Muminov  who said that  Saipov  became religious after moving to the United States in 2010.

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