Which of the following statements is true of FBI, according to this news?

Publicly identifying himself for the first time, a former member of a classified Pentagon intelligence unit elaborated on what he claims were attempts he made to share information about potential al Qaeda operatives in the United States before the September 11, 2001 terrorist attacks. Lt. Col. Anthony Shaffer claims he alerted the FBI in September 2000 about the information uncovered by the secret military unit "Able Danger," but he says three meetings he set up with bureau officials were allegedly blocked by military lawyers, according to Rep. Curt Weldon, R-Pa. , who has set up interviews for Shaffer.