Fox say US Capitol Police just sent an email to all representatives...(paraphrase) all members of Congress are advised to take measures concerning security both at the Capitol and at home...
My guess is if this is politically motivated, it has something to do with the issue of immigration, as it’s the hottest and most emotional political issue in AZ, and she was strong on protecting the borders.
SECOND SUSPECT POSSIBLE - gosh, I hope they didn't torture shooter number one or Eric Holder will acquit him.