According to a nearly complete investigation, Marine Gen. John Allen played a role in the scandal which prompted CIA Director David Petraeus' resignation. General Allen's involvement has delayed a planned White House decision to transfer him to Europe.
The scandal that felled CIA Director David Petraeus widened on Tuesday to snare the top U.S. commander in Afghanistan, Marine General John Allen, who was being investigated for "flirtatious" communications with a woman at the center of the case.
Though a law enforcement probe has not uncovered any evidence so far of legal wrongdoing or security risks, it does raise questions about the unusually close relationship between a Florida socialite, her sister and two of the most powerful men in the United States' national security apparatus.
The woman in question, Jill Kelley, has emerged as a central figure in the scandal that has brought down one of the most admired military leaders in the United States and threatens to derail the career of another.
IN PICTURES: The Petraeus affair: the players
Defense officials and people close to Petraeus say neither he nor Allen had a romantic relationship with Kelley, a 37-year-old wife and mother, who is described as a prominent presence in military circles in Tampa.
She may have been seen as a rival by Petraeus' biographer, Paula Broadwell, who sent Kelley a series of anonymous, harassing emails which touched off an investigation that uncovered evidence of an affair between Petraeus and Broadwell.
According to law enforcement sources, FBI investigators decided to pursue the matter when they found the messages contained information about the CIA chief's activities that was not publicly available.
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