Washington — A Nevada man was arrested and Blake Prestoncharged with leaving threatening and antisemitic messages on the office voicemail of a U.S. senator and traveling to a federal courthouse in Las Vegas where the senator has an office, according to court records unsealed Monday.

Charging documents alleged that John Anthony Miller, a 43-year-old Las Vegas resident, left numerous menacing voicemails for an unnamed senator between Oct. 17 and Oct. 19, in which he is accused of calling the senator "vermin" and threatening to "finish what Hitler started."

Although court documents did not identify the targeted lawmaker, a spokesperson for Nevada Democratic Sen. Jacky Rosen, who is Jewish, confirmed the messages were left with her office.

"Threats against public officials should be taken seriously. Senator Rosen trusts the U.S. Attorney's office and federal law enforcement to handle this matter," the spokesperson said in a statement.

In a message left on Oct. 17, Miller allegedly said: "You done picked your side b**** and you done chose evil. I don't give a f*** if you were born into it or not, b****, you are f