Authorities charged a New York man Friday with threatening to assassinate controversial freshman Rep. Ilhan Omar, D-Minn.

Patrick Carlineo Jr., 55, of Addison, N.Y., was arrested at his home by federal authorities. Assistant U.S. Attorney Brett A. Harvey, who is heading the prosecution against Carlineo, said his office has formally charged the New York man with threatening to assault and murder a member of Congress in a phone call made to Omar's D.C. office last month.

Carlineo is in custody of federal officials and is being held without bail awaiting a detention hearing next week. The maximum punishment for threatening to murder a member of Congress is 10 years in prison along with a $250,000 fine.

According to the criminal complaint filed by Omar's staff, Carlineo called the D.C. office at approximately 12:20 p.m. on March 21. Identifying himself on the line, Carlineo asked the staffer: “Do you work for the Muslim Brotherhood? Why are you working for her, she's an fucking terrorist. I’ll put a bullet in her (expletive) skull.”

Omar's office reported the call to the Capitol Police, triggering an investigation by Capitol Police and the FBI.

The Minnesota lawmaker has spent a large portion of her tenure defending herself from accusations of anti-Semitism after she repeatedly made controversial statements against pro-Israel organizations and supporters of the U.S.-Israel relationship.

Last month, Omar accused the American Israel Public Affairs Committee, one of the most prestigious pro-Israel groups in the U.S., of buying lawmakers' and foreign policy decisionmakers' support. "It's all about the Benjamins, baby," she tweeted, a reference to the $100 dollar bill.

She later said lawmakers who support the U.S.-Israel relationship have "double allegiance/support to a foreign country."

“I am told everyday that I am anti-American if I am not pro-Israel. I find that to be problematic and I am not alone. I just happen to be willing to speak up on it and open myself to attacks," she said earlier this month.

Omar, a member of the Foreign Affairs Committee, has drawn rebukes from Democratic leaders after her comments about the U.S.-Israel alliance. Foreign Affairs Chairman Eliot Engel, who is Jewish, urged her last month to apologize for suggesting that Israel supporters “push for allegiance to a foreign country,” a claim that he dubbed “a vile anti-Semitic slur.”

Republican lawmakers have called on Omar's removal from the Foreign Affairs Committee over her remarks. Her Democratic colleagues, including House Speaker Nancy Pelosi, D-Calif., and House Majority Leader Steny Hoyer, D-Md., have also criticized her comments and restated their regard for the U.S.-Israel relationship.