An unknown gunman on a motorcycle killed a rabbi and three children Monday at a Jewish school in Toulouse, France.

A report by the Government Accounting Office has sent up warnings signals on the push to more easily have police, fire, emergency medical and security responders communicate together at incidents. Things are not going well and going very slowly.

A recent study by researchers at Concordia University in Montreal has priced cleanup of facilities impacted by the 2001 anthrax attacks at about $320 million.

A study of nearly 40 years of terrorist attacks on U.S. soil reveals that nearly a third took place in just five major urban "hot spots": New York, Los Angeles, Miami, San Francisco and Washington, D.C.

The size of the government's "no fly" list, or people who are banned from flying to or within the United States has more than doubled in the past year.

While some security experts spotlight transportation, electricity, and communications infrastructure for more protection, recent attacks on water treatment plants worry them, too.

Four men intended to use an online novel as a script for a real life wave of terror and assassination using explosives and the lethal toxin ricin so they could carry out targeted attacks on government buildings and employees.

Working more closely together, cybersecurity partners from law enforcement and the private sector are increasing their efforts to combat cyber crime, as part of National Cyber Security Awareness Month.

It is a matter of expenses when it comes to having a paramilitary force capable of defending against an armed assault using rocket propelled grenades and other heavy weaponry.