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Washington (CNN) - Senior State Department and Diplomatic Security officials may have covered up or stopped investigations of inappropriate or even criminal misconduct by staff, according to an internal memo from the department's Office of the Inspector General.
The timeline surrounding the allegations places the incidents during former Secretary of State Hillary Clinton's tenure, opening the possibility that a widening scandal might taint both her record and her possible political aspirations. Clinton has also taken heat for the department's response to the September 2012 attack on the U.S. diplomatic mission in Benghazi, Libya.
An international manhunt is underway to find Edward Snowden, the 29-year-old who leaked some of the U.S. government's biggest national security secrets.
Weeks ago, Snowden started final preparations for his leak, and the great escape that followed it.
He moved out of his house in Hawaii on May 6, then left the state on May 20, telling his girlfriend that he was leaving town but not why.
"That is not an uncommon occurrence for someone who has spent the last decade working in the intelligence world," Snowden told The Guardian newspaper.
President Barack Obama has invested years attempting to form a strong alliance with Turkey's Prime Minister Recep Erdogan. But the recent protests that have erupted throughout Istanbul have strained that relationship, experts say.
"When this kind of thing happens with an ally, it is difficult for the White House," said Bulent Aliriza, who established the Turkey Project for the Center for Strategic and International Studies.