World Trade Center site
On the morning of September 11, 2001, Islamic terrorists affiliated with Al-Qaeda hijacked American Airlines Flight 11 and United Airlines Flight 175, both which were en route to Los Angeles, and intentionally crashed them into the two main towers of the World Trade Center. The towers collapsed within two hours of the collisions. 2,606 people, including 2,192 civilians, 71 law enforcement officers, and 343 firefighters, who were in the towers and in the surrounding area died in the attacks, as well as 147 civilians and the 10 hijackers aboard the two airliners. After the collapse of the World Trade Center, hospital workers and law enforcement officers began referring to the World Trade Center site as "Ground Zero".
The Third Terrorist
"One indicator that this terrorist act had broader implications came directly from Abdul Hakim Murad, Yousef's roommate, childhood friend, and fellow convicted
terrorist. On the day of the bombing, Murad claimed responsibility for this terrorist act from his jail cell in New York. He bragged to his prison guards, verbally and in writing, that the bombing of the Murrah federal building was the work of the "Liberation Army." His confession was similar to the one Yousef had made two years earlier in the immediate aftermath of the first attempt to destroy the World Trade Center. Hours after he drove a Ryder truck into the garage of the north tower of the World Trade Center and detonated the deadly bomb, Yousef called the FBI from a pay phone in Newark International Airport and boasted that the "Liberation Army" had conducted the attack. He then boarded a plane and escaped, ending up in Manila, Philippines. Note: the Oklahoma City Bombing followed a similar pattern to the 1993 attack on the World Trade Center —a rental truck loaded with ammonium-based explosives, using similar detonation devices, based on the strategy of driving a vehicle into or near a target."