The Madrid Connection is a profound, two-year long investigation into the lives and motivations of the two men who became the leaders of the terrorist cell that committed the Madrid bombings of 2004, Europe’s worst ever terrorist atrocity, in which 191 people died and nearly 2000 were injured.Sarhane, “El Tunecino”, was a shy, angry economics PhD student. Jamal, “El Chino”, was a violent drug dealer.