Staffers returned to Arizona Republican Headquarters Monday afternoon after police investigated reports of a threat left on the office’s voicemail. The report follows news that the Orange County Republican Headquarters in Hillsborough, N.C., was firebombed overnight and a threat spray-painted on an adjacent building.

Robert Graham is the party’s state chairman.

The Phoenix Police Department was called to investigate and eventually gave the all-clear to return to the building.

In light of Graham’s allegation that Democrats were behind the reported threat, not everyone was quite as sympathetic. A phoned-in threat is ugly, but so is a political environment so toxic that neither side trusts the other.

No one ever seems to point the finger at the Libertarians. For his part, Donald Trump didn’t hesitate to blame the burning of GOP HQ in North Carolina on “animals representing Hillary Clinton and Dems.”

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