The Utah indictment alleges that Kurbanov provided written recipes for how to make improvised explosive devices and went on instructional shopping trips in Utah showing what items are necessary to buy to make the devices, Barlow said. Kurbanov also showed Internet videos on the topic, Barlow said.
The prosecutor declined to say whom Kurbanov took on the shopping trips in Utah but said that information will come out as the case proceeds.
The indictment from Utah also alleges that Kurbanov intended that the videos, recipes, instructions and shopping trips be used to make an explosive device for the "bombings of a place of public use, public transportation system, and infrastructure facility."
The arrest shows that "there is no priority that is more important than the protection of the public and the prevention and disruption of alleged terrorist activities — wherever they might occur," Barlow said.
Wendy Olson, the U.S. attorney in Idaho, said Kurbanov is the only person charged, and any potential threat was contained by his arrest.
"He was closely monitored during the course of the investigation," she said. "The investigation has been underway for some time."
Olson declined to share any specifics of Kurbanov's alleged activities, including whether any potential terrorist threat or targets were domestic or abroad.
A statement from the U.S. attorney's office said Kurbanov is in the United States legally, but Olson declined to give specific details about his immigration status.
It was unclear when he moved to Idaho. An Idaho telephone number registered to Kurbanov has been disconnected.
Although the Islamic Movement of Uzbekistan started in the 1990s with the stated aim of overthrowing the Uzbek regime and establishing an Islamic government, its goals have expanded to create a broader Islamic influence in Central Asia.