(CNN) -- A North Carolina man accused of plotting to wage holy war overseas also planned to attack the U.S. Marine base at Quantico, Virginia, according to new charges announced Thursday.



Daniel Boyd previously was charged with conspiracy to support terrorists and conspiracy to murder.



The charge is one of three counts in a new indictment against Daniel Patrick Boyd, who authorities allege is the ringleader of a group of men charged with training in North Carolina for a "violent jihad." Boyd and another man, Hysen Sherifi, are charged with conspiring to murder U.S. military personnel.



"Boyd undertook reconnaissance of the Marine Corps Base located in Quantico, Virginia, and obtained maps of the base in order to plan an attack on Quantico," the charges state.



FBI agents found weapons, thousands of rounds of ammunition and $13,000 cash in Boyd's Raleigh-area home, an FBI agent testified at an August bond hearing for the men, who were arrested in late July. The original indictment says the men practiced military tactics in a North Carolina county that borders Virginia.



The latest indictment also charges Boyd, Sherifi, and Boyd's son Zakariya with possession of weapons in furtherance of a crime of violence, while Boyd faces an additional charge of providing a rifle and ammunition to a convicted felon.



Boyd and seven others already have been charged with conspiracy to provide material support to terrorists and conspiracy to murder, kidnap, maim and injure people. One of the men is believed to have fled to Pakistan, and the remaining men are in custody.



In August, a federal judge denied bail for the seven in custody, but expressed skepticism about the charges against them. Magistrate Judge William Webb said the defendants made a number statements espousing holy war, and said the statements could be interpreted in isolation as braggadocio.



But he agreed to keep them in jail because some of them had amassed a large arsenal and engaged in firearms training.
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question: What do authorities allege Boyd did?, answer: charged with conspiracy to support terrorists and conspiracy to murder. | question: What was Daniel Boyd previously charged with?, answer: conspiracy to support terrorists and conspiracy to murder. | question: What month was Daniel Boyd arrested?, answer: July. | question: What was Daniel Boyd charged with?, answer: conspiracy to support terrorists and conspiracy to murder. | question: Are there previous charges against Daniel Boyd?, answer: charged with conspiracy to support terrorists and conspiracy to murder. | question: What was Boyd and another man charged with?, answer: conspiring to murder U.S. military personnel.