Based on the number of applicants at the time, Sayfullo Saipov had a 2 percent chance of getting a visa.
Four U.S. Green Berets were killed in the October 4 attack blamed on ISIS-affiliated militants.
"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.
The FBI and certain animal rights groups are at war.
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.
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.
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.
The EU's security landscape is worlds beyond what it was just two years ago.
An ISIS militant threatening further violence in Spain has himself been attacked by a flurry of memes mocking the jihadist's apocalyptic message.
The West is increasingly at risk for attacks from ISIS and those inspired by it as countries cope with returning militants and alienated locals.