When they violate the law like anyone else.
Added: The only time they are immune from arrest is when Congress is in session and they are actually on the floor of their respective chamber (House or Senate).
In the past when the constitution was written, it stated that members of congress could not be arrested. Times today have changed, and a member of congress can and will be arrested if they engage in criminal activity.
under which situations can demonstrators be arrested
This is not true under all circumstances. Congresspersons are arrested from time to time. There is only one situation that I know of where a congressperson cannot be arrested, and I think it has something to do with the congressperson being on his/her way to a session, or maybe to a vote. Of course, this doesn't prevent arrest afterward.
A congressperson represents the citizens who live in the congressperson's district.
A video of the congressperson's response to a scandal :) -Apex-
wat the is the answer!!!!!
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bobbyray
Senator Barbara Mikulski
2 times
legislative
legislative
2 times
Any Congressperson.