Al Marri was detained at the border of Pakistan and Afghanistan after 9/11. He was suspected of trying to transfer $10,000 of "al Qaeda operational funds" to his brother, Ali Saleh Kahlah al-Marri, under the direction of Khalid Sheikh Mohammed, the mastermind of the September 11th attacks.[4][5] Since his repatriation to Qatar, he has reportedly been publicizing for a Qatari fundraising campaign called Madid Ahl al-Sham which the Nusra Front endorsed as a fundraising campaign in support of Al Qaeda.[5] The campaign was believed to have been run by Sa’d bin Sa’d Muhammad Shariyan al-Kabi and Abd al-Latif Bin Adballah Salih Muhammad al-Kawari, both of whom are U.S. Treasury Specially Designated Global Terrorists (SDGTs).[6]