CATALONIA
"But most of his acquaintances from recent years didn’t know his past:
that he’d been investigated and had his phone tapped in one of the
largest international terrorism cases in Spanish history; that he had
two smuggling convictions and had spent four years in prison. Despite
all that, he was able to live under the radar while he organized the
most deadly terrorist attack in Spain since the 2004 Madrid train
bombings."
"The Spanish government especially does not want to talk about Es Satty. The investigation into his case is sealed by a judge."
"The court documents, some of which have not previously been reported
on in detail, also add another piece of evidence to back up Spanish
press reports that Es Satty was, at various points, an informant for
Spanish police and intelligence, which many believe may have protected
him from scrutiny."
“Later news stories added that Es Satty was visited in prison twice by Spanish intelligence and twice by the Guardia Civil.”