Infowars founder Alex Jones made an unexpected appearance on Capitol Hill for Wednesday's back-to-back hearings with executives from Facebook and Twitter, drawing media attention both inside and outside the committee room.

A livestream from Jones's Twitter account showed him driving through Washington, D.C., on his way to the Senate office building where the Senate Intelligence Committee hearing was scheduled to take place Wednesday morning. He later held an impromptu press conference outside the hearing room.

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