Cristóbal Villalba is the father of the commander of "the sparrow" He was a soldier and dreamed of being a pilot. He ended up being sent hitchhiking by Marlaska, with a salary of no less than 12,000 euros a month.

The plot in which he was involved was already known to be under surveillance. "If we find out what he's up to, we'll beat him up", says his father, "hurt, of course"