By Hollie McKay | Fox News

A 42-year-old Brooklyn, New York, man has been charged with providing and attempting to provide material support – including training, services and personnel – to ISIS in Syria, the Department of Justice announced Friday after unsealing a criminal complaint in Brooklyn federal court.

Ruslan Maratovich Asainov, a Kazakhstan-born, naturalized U.S citizen is alleged to have traveled to Istabul, Turkey, in late 2013 before moving across the border into Syria where he became a sniper for the designated terrorist outfit.

Asainov then rose through the ranks, prosecutors contend, to become an “emir” and oversaw the training of other ISIS recruits in the use of weapons. He is also accused of attempting to entice another person residing in the U.S. to join ISIS in Syria.

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“The defendant, a naturalized U.S. citizen residing in Brooklyn, turned his back on the country that took him in and joined ISIS, serving its violent ends in Syria,” U.S Attorney Richard Donoghue stated, highlighting that he will now face justice in an American courtroom. “We hope countries around the world, including our European allies and partners, will likewise repatriate and prosecute their own citizens for traveling to support ISIS.”

A fighter of the Islamic State of Iraq and the Levant (ISIL) holds an ISIL flag and a weapon on a street in the city of Mosul, June 23, 2014. U.S. Secretary of State John Kerry held crisis talks with leaders of Iraq’s autonomous Kurdish region on Tuesday urging them to stand with Baghdad in the face of a Sunni insurgent onslaught that threatens to dismember the country. 

In March 2015 he requested $2,800 from an informant to purchase a rifle scope, sending photographs of boasting about the group’s barbarity and declaring his wish to die on the battlefield. Instead, he was later detained by the U.S-backed Syrian Democratic Forces (SDF) and transferred into FBI custody on Wednesday.

He is slated to appear in court Friday afternoon.

“This arrest serves as a warning to anyone anywhere in the world who intends to support or conduct attacks on behalf of terrorist groups against the United States,” added NYPD Commissioner James O’Neill. “You will be brought to justice.”Hollie McKay has a been a Fox News Digital staff reporter since 2007. She has extensively reported from war zones including Iraq, Syria, Yemen, Afghanistan, Pakistan, Burma, and Latin America investigates global conflicts, war crimes and terrorism around the world.

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