Members of Congress are protected from arrest while in session, but POTUS just shut down Government, making arrest protections VOID.

https://constitutionallawreporter.com/article-01-section-06/

George H.W. Bush's death could push back potential Dec. 7 government shutdown by two weeks as Trump will 'probably give' Congress more time to fight over funding his border wall

https://www.dailymail.co.uk/news/article-6452179/Bushs-death-push-potential-government-shutdown-two-weeks.html?ITO=applenews