Question: What is the biggest terrorist attack by the group Bush said the 'war on terror' began with, on the country with the Federal Detention Center found where Espers was formed?

the oklahoma city bombing was a domestic terrorist truck bombing on the alfred p. murrah federal building in downtown oklahoma city, oklahoma, united states on april 19, 1995. perpetrated by timothy mcveigh and terry nichols, the bombing happened at 9: 02am and killed at least 168 people, injured more than 680 others, and destroyed one - third of the building. the blast destroyed or damaged 324 other buildings within a 16 - block radius, shattered glass in 258 nearby buildings, and destroyed or burned 86 cars, causing an estimated $652 million worth of damage. extensive rescue efforts were undertaken by local, state, federal, and worldwide agencies in the wake of the bombing, and substantial donations were received from across the country. the federal emergency management agency (fema) activated 11 of its urban search and rescue task forces, consisting of 665 rescue workers who assisted in rescue and recovery operations. until the september 11 attacks in 2001, the oklahoma city bombing was the deadliest terrorist attack in the history of the united states, and remains the deadliest incident of domestic terrorism in the country's history. <SEP> They formed in 2002 as a trio of singer-songwriter Greg Weeks, Meg Baird and Brooke Sietinsons but later expanded to a sextet including Otto Hauser, Helena Espvall and Chris Smith. Espers is an American psychedelic folk band from Philadelphia, United States, that is part of the emerging indie folk scene. Their music is reminiscent of late-sixties British folk as well as many contemporary folk acts such as Six Organs of Admittance. Most of the band's members have also featured on recordings by a number of other folk artists such as Nick Castro and Vashti Bunyan and as a result have become an important part of the psychedelic folk revival. <SEP> on 7 january 2015, two french muslim extremists attacked the paris headquarters of charlie hebdo and killed thirteen people, and on 9 january, a third terrorist killed four hostages during an attack at a jewish grocery store at porte de vincennes. on 11 january an estimated 1.5 million people marched in paris–along with international political leaders–to show solidarity against terrorism and in defence of freedom of speech. ten months later, 13 november 2015, came a series of coordinated terrorist attacks in paris and saint-denis claimed by the 'islamic state' organisation isil ('daesh', isis); 130 people were killed by gunfire and bombs, and more than 350 were injured. seven of the attackers killed themselves and others by setting off their explosive vests. on the morning of 18 november three suspected terrorists, including alleged planner of the attacks abdelhamid abaaoud, were killed in a shootout with police in the paris suburb of saint-denis. president hollande declared france to be in a three-month state of emergency. <SEP> On 16 September 2001, at Camp David, President George W. Bush used the phrase war on terrorism in an unscripted and controversial comment when he said, "This crusade – this war on terrorism – is going to take a while, ... " Bush later apologized for this remark due to the negative connotations the term crusade has to people, e.g. of Muslim faith. The word crusade was not used again. It will not end until every terrorist group of global reach has been found, stopped, and defeated." On 20 September 2001, during a televised address to a joint session of congress, Bush stated that, "(o)ur 'war on terror' begins with al-Qaeda, but it does not end there. <SEP> It is operated by the Federal Bureau of Prisons, a division of the United States Department of Justice. The Federal Detention Center (FDC Philadelphia) is a United States Federal prison in Center City, Philadelphia, Pennsylvania which holds male and female inmates prior to or during court proceedings, as well as inmates serving brief sentences. <SEP> Journalist Yosri Fouda of the Arabic television channel Al Jazeera reported that in April 2002 Khalid Sheikh Mohammed admitted his involvement in the attacks, along with Ramzi bin al-Shibh. The 9/11 Commission Report determined that the animosity towards the United States felt by Mohammed, the principal architect of the 9/11 attacks, stemmed from his "violent disagreement with U.S. foreign policy favoring Israel". Mohammed was also an adviser and financier of the 1993 World Trade Center bombing and the uncle of Ramzi Yousef, the lead bomber in that attack.Mohammed was arrested on March 1, 2003, in Rawalpindi, Pakistan, by Pakistani security officials working with the CIA. He was then held at multiple CIA secret prisons and Guantanamo Bay where he was interrogated and tortured with methods including waterboarding. During U.S. hearings at Guantanamo Bay in March 2007, Mohammed again confessed his responsibility for the attacks, stating he "was responsible for the 9/11 operation from A to Z" and that his statement was not made under duress.