Four U.S. Green Berets were killed in the October 4 attack blamed on ISIS-affiliated militants.
The attack proved once again that insurgents can carry out deadly assaults in the heart of the Somali capital.
"The thing that scares me the most in the long term is the state of our politics here, and...it's gotten worse," Michael Morell said.
Saudi Arabia's crown prince says he wants to make the country more moderate. But is he fighting extremism just to attract investment?
"Mr. Wright intended to wage war against the United States on behalf of ISIS," said Acting United States Attorney William D. Weinreb.
Russian President Vladimir Putin said the West has exploited his country's goodwill and disregarded the sovereignty of countries around the world.
"Lie in wait for them at every chance to ambush. The Levant is the graveyard of the Russians and Americans," reads text on a recent propaganda image.
She recovered, started a charity and just attended her first college classes.
The FBI and certain animal rights groups are at war.
Filipino jihadis wanted to cause the "next 9/11."
The attack that left more than 50 people dead in Las Vegas meets Nevada's definition of an "act of terror."
Omar al-Bashir's regime dropped off Trump's revised travel ban, but the Sudanese president wants more.
Until the last minute, most passengers believed the hijacking was for real.
Donald Trump suggested commercial airline pilots should be able to use "sleeping gas" to stop terrorists.
Mali has played host to a raft of extremist groups in recent years but people's reasons for joining are often the same.
President Donald Trump appears determined to follow through on his promise to "bomb the sh*t out of ISIS," regardless of how many civilians are killed along the way.
The city is under heightened security in the wake of extremist violence that has left 200 dead.
Critics have argued America's drone program is illegal, unethical and ineffective in the long run in terms of eliminating terrorism.
If ISIS was behind Friday's bombing of the London metro, it would be the group's fourth attack in the U.K. this year.