Khalid Sheikh Mohammed, accused as the main plotter of 9/11, agrees to plead guilty
Mohammed and two accomplices agreed to plead guilty in exchange for sentences of up to life in prison rather than face a death-penalty trial.
Al-Qaida
Bin Laden was the face of al-Qaida, but Ayman al-Zawahiri was its hate-filled heart
Al-Zawahiri was deeply involved in the planning of 9/11, and led the organization after bin Laden was killed in 2011. He died in a U.S. drone strike in Afghanistan on Sunday.
3 Books — And 3 Lessons — 20 Years After 9/11
These books provide a detailed accounting of events that have defined the U.S. role in the world in the first part of the 21st century. None makes for cheery reading, but all offer sobering lessons.
Osama Bin Laden Biography Goes Inside Al-Qaida Leader's Final Hideout
Journalist Peter Bergen visited bin Laden's compound in Abbottabad, Pakistan, before it was demolished. His new book, The Rise and Fall of Osama bin Laden, draws on materials seized in the raid.
Opinion: U.S. Faces Hard Choices To Fight Terrorism After Afghanistan Withdrawal
Al-Qaida is degraded but not defeated. Analyst Colin Clarke assesses where the U.S. may be mapping out its future counterterrorism presence after withdrawing from Afghanistan.
Man Charged With Killing Journalist Daniel Pearl Ordered Released By Pakistan Court
Ahmed Omar Saeed Sheikh's murder conviction was overturned in April and he was ordered released for time served for kidnapping Pearl. He has remained in detention pending appeals.
White House Says Al-Qaida Leader Qassim Al-Rimi Killed In U.S. Operation
In a statement late Thursday, President Trump said he ordered the counterterrorism operation in Yemen "that successfully eliminated" the leader of al-Qaida in the Arabian Peninsula.
The War On Terrorism, Through The Eyes Of 3 Women At The CIA
After the 2001 al-Qaida attacks, the CIA ramped up counterterrorism operations. This included a surge in young, female recruits. Three have written new books about their secretive work.
Osama Bin Laden's Son Killed In U.S. Counterterrorism Operation, Trump Says
Hamza bin Laden was killed in the Afghanistan/Pakistan region, according to a statment by the president on Saturday. He said his death "undermines important operational activities" of al-Qaida.
Hamza Bin Laden, Son Of Osama Bin Laden, Is Reported Dead
Several media organizations quote anonymous U.S. officials as saying they believe the purported heir to the leader of al-Qaida died but they don't offer details about how or when.