Families gather at Ground Zero to remember victims of the 1993 World Trade Center bombing days after blind sheikh who plotted the attack dies behind bars

  • Memorial ceremony was held in lower Manhattan on Sunday afternoon to commemorate victims of bombing 
  • Six were killed and 1,042 injured when a truck bomb blew up beneath the North Tower on February 26, 1993
  • John DiGiovanni, 45, Robert Kirkpatrick, 61, Stephen Knapp, 47, Bill Macko, 57, Wilfredo Mercado, 37, Monica Rodriguez Smith, 36, were killed
  • Seven Islamist extremists were convicted but only six were sentenced to life in prison for the attack 
  • Nidal Ayyad, Mohammed Salameh, Ramzi Yousef, Mahmud Abouhalima, Ahmed Ajaj, and Eyad Ismoil were convicted for the attacks