Sen. Bob Menendez and his wife were accused by federal prosecutors Thursday in a superseding indictment of conspiring to act as a foreign agent for Egypt’s government.

The additional charges came after the New Jersey Democrat and his wife, Nadine Arslanian, last month pleaded not guilty to related federal bribery and corruption charges.

The latest alleged crime could intensify calls from Democrats for Mr. Menendez to resign. He remains defiant and says he will serve the remainder of his term through next year and be exonerated of all charges.  

The couple allegedly received lavish gifts from three New Jersey businessmen — including about $500,000 in cash, gold bars and a luxury car — in exchange for sensitive information and favors to benefit the men and the Egyptian government.

• Ramsey Touchberry can be reached at rtouchberry@washingtontimes.com.