Zacarias Moussaoui
French al-Qaeda member convicted in 9/11 plot.
Zacarias Moussaoui (born 30 May 1968) is a French terrorist and member of al-Qaeda who likely planned to participate in the September 11, 2001 attacks. He is the only person ever convicted in an American civilian court of a crime in connection with 9/11, and is currently held at ADX Florence federal supermax prison in Colorado.
Quick Facts
- Native Name
- ar · زكريا موسوي
- Birth Date
- 1968-05-30
- Birth Place
- Saint-Jean-de-Luz, France
- Other Names
- Abu Khaled al-Sahrawi
- Organization
- al-Qaeda
- Known For
- Potential involvement in the September 11 attacks
- Conviction Penalty
- 6 consecutive life sentences without the possibility of parole
- Motive
- Islamic extremism
- Imprisoned
- ADX Florence
Facts from the source article.
Lore & Background
Moussaoui was born in France to Moroccan immigrant parents. His mother raised him and his siblings on a cleaner's wages after leaving his father due to domestic violence. Witnesses testified that the family faced racism, and his mother believed two 'wounding' incidents in his adolescence—a school careers adviser pushing him toward minor studies and a girlfriend's father warning him off because he was an Arab—contributed to his extremist sensibility. He loved handball and held a master's degree in International Business from South Bank University in London.
Moussaoui attended flight training in Oklahoma and Minnesota in 2001. In August 2001, while training at Pan-Am International Flight Academy in Eagan, Minnesota, his instructor Clarence Prevost grew suspicious and contacted the FBI. Moussaoui was arrested on 16 August 2001 for an immigration violation. He had received $14,000 in wire transfers from Ramzi bin al-Shibh, and prosecutors alleged he was to be the '20th hijacker' after others were denied visas. Moussaoui argued he was planning a separate attack, and some al-Qaeda members reportedly corroborated his defense.
Reader's Guide
Moussaoui's case became a legal barometer of America's ability to give a fair hearing to terrorism suspects after 9/11. His trial highlighted tensions between national security and civil liberties, particularly regarding FBI requests to search his laptop, which were denied before the attacks. The 9/11 Commission Report suggested that if authorities had asked captured al-Qaeda member Ahmed Ressam about Moussaoui earlier, the attacks might have been disrupted. Moussaoui's life sentence without parole, rather than the death penalty, reflected jurors' consideration of his unstable childhood and possible ignorance of al-Qaeda's plans. He remains the sole person convicted in U.S. civilian court for crimes related to 9/11, underscoring the unique legal and historical significance of his case.
Did You Know?
- Moussaoui failed 57 hours of flying lessons at Airman Flight School in Oklahoma and never flew solo.
- His flight instructor Clarence Prevost received a $5 million reward from the U.S. government in 2008.
- Moussaoui's mother believed two incidents of racism in his adolescence contributed to his extremism.
Frequently Asked Questions
Who is Zacarias Moussaoui?
Zacarias Moussaoui is a French national born on May 30, 1968, who became a member of the al-Qaeda terrorist network. He is best known as the so-called '20th hijacker' linked to the September 11, 2001 attacks on the United States.
What was Zacarias Moussaoui's role in the 9/11 plot?
Moussaoui was believed to have been part of the broader al-Qaeda cell behind the coordinated September 11 strikes, though he did not board any of the hijacked aircraft. His reported involvement included gathering operational intelligence and assisting with planning for the attacks.
What happened to Zacarias Moussaoui after his arrest?
Detained in 2001, he became the first person ever convicted in a U.S. civilian court on charges directly tied to the 9/11 attacks. In 2006, a federal jury returned guilty verdicts on multiple counts, including conspiracy and charges related to weapons of mass destruction.
Why is Zacarias Moussaoui's case considered landmark?
His defense team attempted to block key evidence by invoking the state-secrets privilege, arguing that disclosure would endanger intelligence sources. The court rejected that claim, setting a significant precedent for how terrorism prosecutions proceed in American civilian courts.
Where is Zacarias Moussaoui now?
He is serving a life sentence without the possibility of parole at ADX Florence, the federal supermax prison in Colorado. He remains the sole individual ever convicted in an American civilian court for a crime directly connected to the September 11 attacks.
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