There´s another one where he got even closer to her (theoretically, they weren´t supposed to physically touch the WYD attendees) and you can see the spittle flying as he screams in her ear. At that point, she is crying.
A lot of Catholics, not only young ones, did show up later to protect the pilgrims. Sol is where you come up out of the Metro from practically anywhere in Madrid, so a lot of the visitors didn´t even know that these thugs were waiting for them.