[SDNY] Karrem Nasr, a/k/a "Ghareeb Al-Muhajir," with attempting to provide material support to al Shabaab, a designated foreign terrorist organization. NASR, a U.S. citizen, was taken into custody in Nairobi, Kenya, on December 14, 2023, and was transported to the United States yesterday, December 28, 2023. Nasr is a 23-year-old U.S. citizen who moved from New Jersey to Egypt in or about July 2023. Nasr is a supporter of al Shabaab, a designated foreign terrorist organization that has attacked Americans and American allies. Since at least in or about November 2023, Nasr has repeatedly expressed his desire and plans to join al Shabaab and wage jihad, including in communications with an FBI confidential source (the "CS"), who was posing as a facilitator for terrorist organizations. In January 2025, Nasr, pleaded guilty to providing material support to al Shabaab.