Trump confidant Sebastian Gorka was taking money from the FBI — and declaring that the fight against Islamic radicals was "a holy war on our side," too.
British police have admitted that one of the London Bridge attackers was on their radar but said an investigation into him had been downgraded.
This video offers a great, clear explanation of how counterterrorism operations work and why a leak of classified info could make the world less safe.
Since 2005, every nuclear power station in the UK has had armed protection — the Civil Nuclear Constabulary. But why does such security exist, and what does the job entail?
In three short months, Jaelyn Young and Muhammad Dakhlalla found themselves at the center of America’s debate over radicalization.
Police say two other officers wounded and attacker shot dead in incident described by François Hollande as "terrorist in nature."
The alarming ads, from the humanitarian medical group Doctors of the World, click through to a site that seeks to humanize Syrian refugees.
Not long after Tamerlan Tsarnaev bombed the Boston Marathon, investigative reporter Michele McPhee went looking for answers.
A lorry has smashed into a store in central Stockholm, killing at least three people, Swedish police say.
At least 11 people have been killed in a blast on a metro in the Russian city of St. Petersburg, state-run TASS reported.
In the face of the ongoing terrorism threat in France, Paris’s iconic monument, the Eiffel Tower, will undergo a massive facelift to tighten security by next autumn.