Police officials suggested that the fence remain in place until September, in part because investigators are tracking continuing threats against lawmakers and the Capitol complex.
The reviews will encompass everything from whether the FBI adequately shared information with other law enforcement agencies about the potential for violence to how the Pentagon mobilized for the Jan. 6 crisis.
There is detailed forensic evidence pointing to the close alignment between the hackers and the Russian government, exposing an operation that stretched back years and tried to break into the inboxes of 4,700 Gmail users across the globe, according to a previously unpublished digital hit list obtained by The Associated Press.