Kadirov was located after the wanted poster went out, William Sweeney, assistant director-in-charge of the New York FBI office, told a news conference.
"We have found him and we will leave it at that", said Bill Sweeney, the assistant director of the Federal Bureau of Investigation.
"We have found him and I'll leave it at that".
On Thursday, Kadirov released a statement to The Associated Press through a source in touch with his family.
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Kadirov also quoted a passage from the Quran in his statement.
Saipov allegedly left a note in the truck that translated to "ISIS endures forever", though authorities and Gov. Andrew Cuomo have called him a "lone actor". The officials, who asked not to be identified because the investigation is ongoing, did not provide further details. The person said that the group encouraged Kadirov, who lives in New Jersey, to cooperate with authorities, and that the man has done so.
On Wednesday, federal prosecutors shared that the driver had a long-planned plot, inspired by ISIS propaganda, to kill people celebrating Halloween.