This photo, from the Office of the New Jersey Governor, shows Gov. Phil Murphy, as he announced the departure of his longtime Chief of Staff George Helmy, right, Sept. 22, 2023. Murphy named Helmy to serve as interim senator when Bob Menendez resigns later this month after his conviction on federal bribery charges, according to a person familiar with the decision. (Office of the New Jersey Governor via AP)

New Jersey Gov. Phil Murphy, right, greets George Helmy after being announced to take the U.S. Senate seat that will soon be vacated by Senator Bob Menendez, in Newark, New Jersey, Friday, Aug. 16, 2024. (AP Photo/Eduardo Munoz Alvarez)

George Helmy, right, poses next to New Jersey Gov. Phil Murphy after being announced to take the U.S. Senate seat that will soon be vacated by Senator Bob Menendez, in Newark, New Jersey, Friday, Aug. 16, 2024. (AP Photo/Eduardo Munoz Alvarez)

George Helmy speaks during a news conference after being announced to take the U.S. Senate seat that will soon be vacated by Senator Bob Menendez, in Newark, New Jersey, Friday, Aug. 16, 2024. (AP Photo/Eduardo Munoz Alvarez)

This undated image provided by the Office of the New Jersey Governor, shows Gov. Phil Murphy's longtime Chief of Staff George Helmy, who was named to serve as interim senator when Bob Menendez resigns later this month after his conviction on federal bribery charges, according to a person familiar with the decision. (Office of the New Jersey Governor via AP)