Investigations and fallout

-- The FBI is reviewing the actions of Frederick Humphries, the agent who triggered an investigation into e-mails received by Kelley, a law enforcement official said Thursday. The agency will look at whether Humphries followed proper procedures in speaking to some members of Congress about his concerns about how the agency was handling Kelley's case.

-- Attorney General Eric Holder said Thursday that he didn't tell the White House about the Petraeus investigation because it was determined there was no threat to national security. "Had we made a determination that a threat to national security existed, we would of course had made that known to the president and to the appropriate members on the Hill," Holder told reporters.

-- Broadwell, an Army Reserve officer, has had her government security clearance suspended pending the outcome of ongoing investigations, two U.S. officials with direct knowledge told CNN's Barbara Starr on Wednesday.

-- Broadwell's affair with Petraeus has raised questions about whether it gave her access to national security information that she shouldn't have had. The allegedly harassing e-mails detailed the "comings and goings of the generals and Ms. Kelley," according to a source. One of them was believed to be Petraeus, and because parts his schedule were not public, questions arose about whether the sender had access to sensitive information.

-- In a speech at the University of Denver at the end of October, Broadwell suggested the attack on the U.S. compound in Benghazi took place because the United States was housing Libyan prisoners there -- a theory, she noted, that had not been vetted yet. The claim has since been discounted by administration officials. Broadwell's source for that previously unpublished information remains unclear, and there's no evidence that it came from Petraeus.

-- Investigators have found classified information on a computer belonging to Broadwell, a law enforcement source told CNN national security contributor Fran Townsend on Wednesday.

-- A senior law enforcement official close to the Broadwell investigation said Wednesday night that materials taken from Broadwell's home were under review, and that it appeared unlikely she would be prosecuted for any unauthorized release of classified information.

-- On Tuesday, John Nagl, a retired military officer who worked for Petraeus for years and whom the former CIA director authorized to talk, said that Petraeus insists he never shared classified information with Broadwell.

-- Obama said Wednesday that he had seen no evidence of a potentially damaging breach in national security stemming from the affair involving Petraeus.

-- Obama also said Wednesday that Petraeus served his country with "great distinction," and he hoped that Petraeus' affair and resignation are "a single side note on what has otherwise been an extraordinary career."

-- Kelley's access to Florida's MacDill Air Force Base without an escort has been suspended, a Defense Department official said Wednesday. Kelley had been given special access to the base because of her position as a booster and promoter of programs to help U.S. troops, the official said.

-- Sen. Dianne Feinstein, D-California and chairwoman of the Senate Intelligence Committee, said she would investigate why the FBI did not notify congressional oversight committees about its investigation into Petraeus after the bureau determined he was having a secret extramarital affair.

-- Petraeus has not been following the media firestorm over the extramarital affair that led to his resignation. "He wants to maintain a distance and focus on his family at this time," his aide, retired Col. Peter Mansoor, said Wednesday.

-- While the nature of the relationship between Allen and Kelley, if any, is unclear, evidence of an affair could subject the general to military prosecution. Adultery is a violation of military law.

-- Obama has put Allen's nomination to become NATO's supreme allied commander on hold pending the outcome of the investigation, White House spokesman Jay Carney said Tuesday.

-- A U.S. official told CNN that the CIA has launched an investigation into the "general conduct" of Petraeus that will look into whether he used agency resources in carrying out his affair with Broadwell.