"We are enhancing security measures and coordinating intelligence-sharing to proactively address potential risks," a DHS ...

Former Secret Service agent discusses enhanced security protocols for Fourth of July celebrations across the country amid ...

In a joint bulletin, the FBI, Department of Homeland Security and other law enforcement agencies said individuals or small ...

Fareed Mumuni, 21, was charged with attempted murder, after he emerged as a suspect in alleged plots to use pressure-cooker explosives and knives to attack police.

FBI's 4th Warning. July 8, 2004 / 10:36 AM EDT / CBS/AP A constant stream of intelligence indicating that al Qaeda wants to strike the United States this summer or fall has led federal ...

Fourth of July revelers should be on high alert for possible lone wolf 'attacks' as they celebrate the holiday, the FBI and Homeland Security warned. The security agencies said solo attackers and ...

Mass shooters generally don’t just snap – they plot and display troubling signs before the violence happens, according to the FBI. Here’s what the bureau says to look for.

Intelligence bulletins sent out ahead of the holiday warn of copycat attacks and homegrown extremists targeting July 4 ...

Attacks perpetrated by lone actors are the biggest terrorism threat to July 4th festivities in New York City and elsewhere, federal authorities said in a threat assessment obtained by CNN.

While there was no specific or credible threat of attack, the official said the intelligence bulletin prepared by the Department of Homeland Security and the FBI alerted local colleagues to the ...