The Secret Service indicated it is investigating the unidentified agent on Monday The Washington Post obtained screenshots of Facebook comments she posted on Thursday after a mob of Trump supporters stormed the Capitol The agent charged that lawmakers who certified Joe Biden's election victory were 'committing treason on live tv' She voiced support for the rioters, writing: 'Good morning patriots! Yesterday started out beautiful and as usual Antifa soured the mood and attacked police' 'It's OFFENSE time finally!!' the agent added, according to the Post She also shared a meme of Trump shaking hands with himself, captioned: 'Here's to the Peaceful Transition of Power'