Ramzi Yousef (Arabic: ???? ????? Ramzi Yusuf; born 27 April 1968) is a Pakistani convicted and incarcerated international terrorist who was one of the main perpetrators of the 1993 World Trade Center bombing, the bombing of Philippine Airlines Flight 434, and was a co-conspirator in the Bojinka plot.
In 1995, he was arrested by the Pakistani Inter-Services Intelligence (ISI) and U.S.
Diplomatic Security Service at a guest house in Islamabad, Pakistan, while trying to set a bomb in a baby doll, then extradited to the United States.
He was tried in the U.S.
District Court for the Southern District of New York along with two co-conspirators and was convicted of planning the Bojinka plot.
He received two life sentences plus 240 years for his part in the 1993 World Trade Center bombing and Bojinka plot.
Yousef's maternal uncle is Khalid Sheikh Mohammed, with whom he allegedly planned the Bojinka plot.
Mohammed is a senior al-Qaeda member accused of being the principal architect of the September 11 attacks in 2001.
Yousef is serving his life sentences at ADX Florence, located near Florence, Colorado.
He shares a cell block that is commonly referred to as "Bombers Row" with Terry Nichols, Eric Rudolph, and Ted Kaczynski.