800 metros - Episode Guide

Chilling footage details how the young perpetrators were radicalized to become part of a terrorist movement and the planning of the attacks.

The emotional testimonies of survivors, victims' relatives and first responders chronicle the events that unfolded on that tragic day on La Rambla.

Police officers recount the search for the van driver and the next attack in Cambrils. The interviewees recall the peace protest held after the attacks.