20 Longest Prison Sentences Ever Given in the World

2- Otman el-Gnaoui, Jamal Zougam and Emilio Suarez Trashorras

  •  Length: 42,924 years
    Year Sentenced: 2007
    Location: Spain
    Type of Crime: Mass Murder, Terrorism

These three guys were identified as the masterminds of the 2004 Madrid bombings, which left over 1,800 people injured and 191 people dead. With explosives placed on four different commuter trains, this incident is reportedly the deadliest Islamist terrorist strike to occur in Europe. The bombs are thought to have been set off by Zougam, Gnaoui, and a few other people who also committed suicide bombings.