So far, federal authorities have charged more than 40 people with crimes connected to the riot.
Due to security concerns, Mr Biden’s inauguration rehearsal was postponed yesterday, as the National Guard stationed in Washington have been cleared to use lethal force.
An FBI internal bulletin has also warned about “threats to harm” Mr Biden and Ms Harris ahead of the inauguration, according to CNN.
It said: “Various threats to harm President-elect Biden ahead of the presidential inauguration.
“Additional reports indicate threats against VP-elect Harris and Speaker Pelosi.”