The 1,336 lb (606 kg) urea nitrate–hydrogengas enhanced device was intended to send the North Tower (Tower 1) crashing into the South Tower (Tower 2), bringing both towers down and killing tens of thousands of people.
It failed to do so but killed six people and injured over a thousand.
They received financing from Khalid Sheikh Mohammed, Yousef’s uncle.
In March 1994, four men were convicted of carrying out the bombing: Abouhalima, Ajaj, Ayyad, and Salameh.
The charges included conspiracy, explosive destruction of property, and interstate transportation of explosives.
In November 1997, two more were convicted: Ramzi Yousef, the mastermind behind the bombings, and Eyad Ismoil, who drove the truck carrying the bomb.