A Virginia man pleaded not guilty Wednesday after being accused by the FBI of stockpiling the largest number of explosives bureau officials have witnessed. Brad Spafford, 36, answered mostly yes or no questions during his arraignment but pleaded not guilty to possession of an unregistered destructive device and possession of an unregistered short-barrel rifle,

The FBI has released a new photo of New Orleans terrorist attacker Shamsud-Din Jabbar as they continue to investigate what motivated his New Year's attack on Bourbon Street.

The FBI said an initial review of Shamsud-Din Jabbar, 42, showed that the man conducted extensive online research into New Orleans before the rampage.

Shamsud-Din Jabbar, the driver behind the Bourbon Street attack on New Year’s, researched New Orleans and the deadly Christmas market attack in Germany in the hours and weeks before the attack, the FBI said in an update Tuesday.

The group, Mustang Panda, used malware called PlugX to access thousands of computers worldwide, according to the Justice Department and FBI. Newsweek reached out to the FBI via email for comment. The group managed to hack computers in at least 170 countries,

Federal authorities announced Tuesday that they have erased Chinese malware from thousands of computers across the United States.