Federal Bureau Of Investigation

Inspector's LA Division Inspection-3

FBI document provides new details about the possibility that the U.S. could have infiltrated Al-Qaeda much earlier than previously reported.

Inspector's LA Division Inspection-2

FBI document provides new details about the possibility that the U.S. could have infiltrated Al-Qaeda much earlier than previously reported.

Inspector's LA Division Inspection-1

FBI document provides new details about the possibility that the U.S. could have infiltrated Al-Qaeda much earlier than previously reported.

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This undated handout image released by the FBI, on Wednesday, April 24, 2013, shows Eric Justin Toth. Toth, a private school teacher in Washington who was captured in Nicaragua after a year on the FBI's "Ten Most Wanted" fugitives list has written the judge overseeing his child pornography case, saying he plans to spend the rest of his life "doing penance." (AP Photo/FBI)

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This image released by FX shows Noah Emmerich as FBI Agent Stan Beeman in a scene from the second season of "The Americans." The second season of the series premieres on Feb. 26, 2014 at 10 p.m. EST. (AP Photo/FX, Craig Blankenhorn)

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This image released by FX shows Noah Emmerich as FBI Agent Stan Beeman in a scene from the first season of "The Americans." The second season of the series premieres on Feb. 26, 2014 at 10 p.m. EST. (AP Photo/FX, Craig Blankenhorn)

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This photo released by the FBI on Friday, Feb. 21, 2014 shows Kevin Briggs, 28, a convicted felon and registered sex offender, is wanted for his alleged involvement in the assaults of a female and a police officer in Bozeman, Mont. The FBI is asking for the public's help in locating Briggs, a violent fugitive who was recently seen in the San Francisco Bay area and may be headed to Mexico. A reward of up to $10,000 is offered for information leading to the arrest of Briggs, who escaped from police in Montana last week. (AP Photo/FBI)

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FILE - This file photo provided Friday, April 19, 2013 by the Federal Bureau of Investigation shows Boston Marathon bombing suspect Dzhokhar Tsarnaev, charged with using a weapon of mass destruction in the bombings on April 15, 2013 near the finish line of the Boston Marathon. Prosecutors and lawyers for Tsarnaev are headed to court Wednesday, Feb. 12, 2014 to discuss a trial date and a pretrial schedule. (AP Photo/Federal Bureau of Investigation, File)

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Orange County Sheriff captain Mike Hiller, right at podium, joins law enforcement agents to announce a 60-day FBI campaign "Don't Let a Prank Lead to Prison, Aiming a Laser at an Aircraft is a Federal Crime,'' to publicize the problem of pointing lasers to aircraft, at a news conference at the Los Angeles International airport Tuesday, Feb. 11, 2014. The FBI announced that it will offer rewards up to $10,000 for people who report others for shining laser pointers at aircraft. A handheld laser can temporarily blind pilots who sometimes need to depend on their vision for orientation. (AP Photo/Damian Dovarganes)