The first days after 11-M, an investigation under pressure: “Politicians wanted to find links with ETA”. “I remember that as soon as we arrived at those Dantesque scenarios, with a river of zombies that we were trying to guide by marking an exit, I told my people: 'We have to organize this, we have to check thing by thing, bag by bag'” “When the alarm goes off at the scheduled time, they would explode,” explains a commissioner.

‘We do it manually, boss; If not, it is impossible’