Analysis of information sources in references of the Wikipedia article "Controversies about the 2004 Madrid train bombings" in English language version.
Rafá Zouhier was a confident of the Guardia Civil before, during and after the bombings...José Emilio Suárez Trashorras was also a police confident -Rafá Zohuier era confidente de la Guardia Civil antes, durante y después de los atentados José Emilio Suárez Trashorras También era confidente de la policía