Sen. Dianne Feinstein, chairman of the Senate Select Committee on Intelligence, said Sunday the Capitol Hill investigations into the Libya terrorist attack also will address the scandal surrounding CIA Director David Petraeus, including why the FBI failed to notify the committee about the extramarital affair that led to the director’s resignation.

The California Democrat told “Fox News Sunday” she found out about Petraeus’ resignation Friday as the rest of world learned the news and described being shocked and “heartbroken.”

“We will investigate why the committee didn’t know,” Feinstein said. “We should have been told.”

She also said the first committee meeting, scheduled for Thursday, is the start of an inquiry, not a hearing. Feinstein said Petraeus is no longer scheduled to testify but could be summonsed to Capitol Hill for future meetings. A similar, closed-door House intelligence committee hearing also is scheduled for Thursday.

Feinstein said she sees “absolutely” no connection between the director’s resignations and the unanswered questions about the Sept. 11 attacks in Benghazi, Libya, in which Ambassador Christopher Stevens and three other Americans were killed.

She said other major questions the committee will investigate include whether the United States adequately processed previous threats and attacks to increase security around the U.S. Consulate and nearby CIA annex in Benghazi.

“Changes were made, but the changes were not adequate,” Feinstein told Fox.

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