He is the author of "United States of Jihad: Investigating America's Homegrown Terrorists." Against the backdrop of this history of violence, what is the threat to the United States today from jihadist terrorists? In a new report , New America finds that since the 9/11 attacks, the jihadist threat has changed substantially. Avoiding further attacksAl-Qaeda has not successfully directed a deadly attack inside the United States since that day 17 years ago. ISIS killed 224 people when it snuck a bomb aboard a flight from Egypt to Russia in October 2015.

Source: CNN September 10, 2018 11:37 UTC