At this point it might just be easier to document who isn't getting right-wing, anti-government death threats.

Now joining the list alongside members of Congress are Internal Revenue Service workers, who, in the wake passage of health care reform's passage, have been demonized by far-right talkers like Newt Gingrich, who has repeatedly, and falsely, claimed that IRS agents are going to be transformed into a menacing police force.

The vitriol is not going unnoticed:

The federal government is investigating dozens of death threats to IRS employees that have been posted online since the House passed the health care bill, FoxNews.com has learned.

...

In the days following the House vote, animosity toward the IRS intensified, and many heated online protests included specific discussions about the best way to go about killing tax agents.