Police had been hunting the second teenager who killed a priest in a church in France after a foreign intelligence tip-off.
Bringing the armed forces and the national intelligence agency under control of the presidency would require a constitutional change.
French President Francois Hollande says the attack was claimed by Islamic State.
A priest in his mid-80s was killed with a knife and another hostage seriously wounded on Tuesday in an attack on a church in northern France.
Gen. Wesley Clark, U.S. Army (Ret.), and former NATO commander, provides perspective on what the U.S. and Europe must do to increase security and protect themselves from terror attack.
The Syrian who blew himself up in southern Germany, wounding 15 people, had pledged allegiance to Islamic State on a video found on his mobile phone.
BA 27-year-old Syrian man denied asylum in Germany a year ago died on Sunday when he set off a bomb outside a crowded music festival in Bavaria.
Security threats hanging over Europe are another instance where the Fed and the ECB have to deploy policy instruments in the months ahead.
Members of Afghanistan's Hazara minority began burying those killed in Saturday's suicide attack with many blaming politicians for security failures.
The 18-year-old German-Iranian gunman, who used the gaming handle "Hate," had previously been in psychiatric care.
It's difficult to gain intelligence about potential attacks when lone actors are behind them, Stratfor's Chief Security Officer Fred Burton explains.
ISIS claimed responsibility for a suicide attack in the Afghan capital Kabul that killed at least 61 people and wounded more than 200.
There are absolutely no indications that the German-Iranian gunman who opened fire on shoppers had links to Islamic State, Munich police said.
CNBC's Sue Herera has details of the situation in Munich, Germany, after a deadly mall shooting.
A French prosecutor says the driver received help from at least five people between the ages of 22 and 40.
Jihadis utilize a wide range of apps to run terror operations, and they make recommendations to each other about technology.
A truck driver who killed dozens in Nice, France, had been planning the attack for months and had at least five accomplices, NBC News reports.
Brazil arrested 10 people suspected of belonging to a group supporting IS and discussing terrorist attacks on the Rio Olympic Games.
Florida Gov. Rick Scott tells CNBC that Donald Trump will eradicate the Islamic State terror group and get the U.S. economy back on track.
Autonomous trucks are hitting the road globally, raising fears terrorists will use them as remotely guided weapons. But how likely is it?