Washington, D.C.

Kosovo-born U.S. Citizen Sentenced to 10 Years for Training and Fighting with ISIS

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Published on June 03, 2025
Kosovo-born U.S. Citizen Sentenced to 10 Years for Training and Fighting with ISISSource: Google Street View

Lirim Sylejmani, a 49-year-old Kosovo-born naturalized U.S. citizen, has been sentenced to a decade behind bars for aligning with the notorious Islamic State of Iraq and al-Sham (ISIS). His guilty plea on December 12, 2024, to receiving military-type training from a designated foreign terrorist organization led to this conviction and sentencing in the U.S. District Court, as confirmed by a recent statement from the United States Attorney's Office.

Sylejmani, who bears the nom de guerre Abu Sulayman al-Kosovi, faced justice after his capture by the Syrian Democratic Forces in 2019. Post-capture, he discussed his involvement with ISIS through several media interviews, stating the depth of his commitment to the group. His sentence, orchestrated by U.S. Attorney Jeanine Ferris Pirro and others, arrives as a stark warning to individuals who may consider offering their allegiance to similar groups. "This defendant will spend a decade in prison thinking about the betrayal to this country," Pirro commented, reflecting the gravity of Sylejmani's actions, per the U.S. Attorney's Office.

The case, rooted in Sylejmani's journey from Kosovo to Syria back in 2015 with his family, followed his rapid immersion into the militant lifestyle ISIS promoted. After completing a rigorous 21-day military training, he was supplied with an array of weapons and pledged his loyalty to Abu Bakr Al-Baghdadi, the then-leader of ISIS. Facing the relentless advance of coalition forces, Sylejmani stood his ground, participating in active combat, and was ultimately wounded before being repositioned as the Caliphate's domain dwindled.

Following the collapse of ISIS's territorial hold, Sylejmani migrated with his family to Baghouz, Syria, until their capture in early 2019. Their detention by SDF forces marked the end of his active participation with ISIS but initiated his journey through the justice system. "We will go to any lengths to root out subversive individuals who want to overthrow the government and harm its citizens," Pirro stated, emphasizing the U.S. government's steadfast approach to countering extremism. An ensemble of legal professionals from the National Security Section worked in tandem to secure the conviction, showcasing the collaborative effort required in cases of this nature, as cited by the U.S. Attorney's Office.