After 9/11, Abdullah was interviewed many times by the FBI. He admitted knowing of Hazmi and Mihdhar's extremist leanings and Mihdhar's involvement with the Islamic Army of Aden (a group with ties to al Qaeda) back in Yemen.
After 9/11, Abdullah was  by the FBI. He admitted knowing of Hazmi and Mihdhar's extremist leanings and Mihdhar's being with the Islamic Army of Aden in Yemen.