At one point before the attack, an FBI agent had showed surveillance pictures of one of the suspected terrorist to a CIA agent but the CIA agent did not give any feedback to the FBI agent about the pictured man being a suspected terrorist. This was due to the fact that the CIA agent was not authorized to share information with anyone outside the agency in regards to the subject matter. In another case, a Phoenix Field Office FBI agent had prepared a memo regarding a possible effort by Osama bin Laden in sending potential terrorist to aviation schools within the United States. In an unrelated case a month later, the FBI Field Office in Minneapolis had launched an investigation on Zacarias Moussaoui. There was suspicion that Moussaoui was taking aviation courses to be able to hijack a plane. But because there was a lack of communication between the agencies, no major red flags were ever raised throughout the entire
At one point before the attack, an FBI agent had showed surveillance pictures of one of the suspected terrorist to a CIA agent but the CIA agent did not give any feedback to the FBI agent about the pictured man being a suspected terrorist. This was due to the fact that the CIA agent was not authorized to share information with anyone outside the agency in regards to the subject matter. In another case, a Phoenix Field Office FBI agent had prepared a memo regarding a possible effort by Osama bin Laden in sending potential terrorist to aviation schools within the United States. In an unrelated case a month later, the FBI Field Office in Minneapolis had launched an investigation on Zacarias Moussaoui. There was suspicion that Moussaoui was taking aviation courses to be able to hijack a plane. But because there was a lack of communication between the agencies, no major red flags were ever raised throughout the entire