The U.S. military on Monday canceled a pretrial hearing for the accused mastermind of the Sept. 11, 2001 attacks, an al Qaeda figure prominently mentioned in last week's Senate report on the CIA's harsh Bush-era interrogation program for terrorism suspects.

The military commission at the U.S. detention facility in Guantanamo Bay, Cuba, was supposed to discuss allegations the FBI tried to infiltrate legal defense teams, according to the court's docket. More.

When the twin towers crumbled on Sept. 11, 2001, emergency personnel swarmed Ground Zero. They were followed by workers who spent nearly a year removing debris and recovering victims’ remains. Many have since become belated victims of the attacks, facing conditions such as respiratory complaints, rare cancers and mental-health disorders. Thousands of responders died of illnesses related to their work on and after 9/11, and tens of thousands more are being treated for illnesses.

David Rothblatt and Fia Hargil are lifelong New Yorkers, but they don't remember much about Sept. 11. That's because they were just preschoolers then. Still, what happened that horrible day changed their lives and the lives of many their age.

Dave Innocenti was one of those guys in the color-coded smocks working on the floor of the New York Stock Exchange, shouting and waving as he executed multi-million-dollar deals.

On his feet all day, he stayed in shape by biking, running, and lifting weights. These days, Innocenti can't even make it to the end of his driveway to get his mail. He walks with a cane, the pain from his hips pitching his torso forward at an awkward angle.  More.

Nathan Vrzic was not even alive when the 9/11 terrorist attacks occurred, but the 16-year-old nonetheless devoted the past year to creating a First Responders 9/11 Memorial for Brook Park. The Life Scout from American Legion Boy Scout Troop 610 collaborated with former Brook Park mayor Mark Elliott, and many others, to encase two granite pieces recovered from the debris of the World Trade Center Twin Towers in New York City. More.

Mark Rossini, a former FBI special agent at the center of an enduring mystery related to the September 11, 2001 terrorist attacks, says he is “appalled” by the newly declassified statements by former CIA Director George Tenet defending the spy agency’s efforts to detect and stop the plot. More.