Khalid Sheikh Mohammed, the mastermind of the 9/11 attacks, will soon face charges in front of a military tribunal in Guantanamo Bay. We explore the pursuit and capture of a dynamic and dangerous man.

A piece of the World Trade Center is becoming the centerpiece of a 9/11 memorial in Hagerstown, Md. Tuesday night.

In a rare show of unity, members of both chambers of Congress stood on the steps of the Capitol building to sing "God Bless America" in honor of the heroes of Flight 93 Monday evening.

Emergency officials in Montgomery County, Md. are touting the enhancements they have made since the 9/11 attacks ten years ago.

Security in the U.S. has rapidly evolved since the 9/11 terrorist attacks in 2001, but some lawmakers in the region say in the aftermath of those attacks, Congress went in some wrong directions.

Before their season opener Sunday, the Washington Redskins honored family members of those killed at the Pentagon during the 9/11 attacks, as well as the first responders who arrived at the scene.

Increased security continues, as millions across the country are commemorating the tenth anniversary of 9/11.