Summary of “The Man Behind the Barcelona Attacks Was on Police Radar for Years. How Did They Let It Happen?”

Spanish police won’t offer much comment on the case, nor will police for the region of Catalonia, of which Barcelona is the capital.
Over a year after the attack, the public has been provided few answers as to how Es Satty was able to convince a group of young men to kill and injure innocent people on a mass scale – and how he evaded police attention while doing so.
The explosion killed Es Satty and one other person; police reports would later surface that the group was planning to attack major landmarks in Barcelona – driving the van through Las Ramblas was their plan B. Es Satty was dead, but the discovery of his backstory was just beginning.
Their lawyers appealed the case to Spain’s Supreme Court, alleging that their clients were tortured and threatened while in police custody, and that the wiretaps involved in the police investigation were illegal.
B-05 is introduced in the documents as a source for police from the Guardia Civil, the Spanish paramilitary police, in Barcelona.
Both unions “Denounced the exclusion and isolation suffered by both police bodies during the investigation and operations after the attacks in Barcelona.” The Mossos, the unions said, were using the attacks to project the image of a “Self-sufficient state” ahead of the October 2017 independence referendum.
Mohannad Achab, who runs a mosque in the Barcelona suburb of Mollet, offered up an anecdote about how police keep tabs on his community.
The Catalan police called it “a very fast radicalization process”; according to police testimony taken after the attacks, friends of the Ripoll attackers say the group of men “Changed” when they met Es Satty.

The orginal article.