Communications security

Key Findings in the FBI Summary

1. Staff deleted emails after receiving subpoena

A technician took steps to delete an archive of former Secretary of State Hillary Clinton’s emails on a computer server after forgetting that he had been asked to do so earlier by a Clinton lawyer. But that action came after House lawmakers had demanded they be saved.

2. Powell warned about disclosure possibility

Colin Powell, who served as secretary of state in the George W. Bush administration, warned Mrs. Clinton two days after she became secretary that if her use of a BlackBerry device became “public,” her emails could become part of the “official record and subject to the law.”

3. Aides destroyed, lost or wiped clean devices

Mrs. Clinton used 13 BlackBerry devices for emails and five iPads. None of her BlackBerrys could be located, and one aide said he destroyed some of Mrs. Clinton’s mobile devices by breaking them with a hammer. Technology staffers also used a software program called BleachBit to make data recovery more difficult...