And, then, an angel appeared in the form of Emily MacDonald. As our actor lay helplessly on the ground, MacDonald was the first person to approach and physically help him up. With her hand extended out, MacDonald stood over him and recited a Spanish prayer.
Afterward, MacDonald told Quinones she needed to step in.
"Broke my heart, to see someone getting hurt," she said. "And my friends were holding me back, I didn't want to hear it. I wanted to help this man."
In the course of the two-day experiment, 99 people came upon the fight and an overwhelming majority, 67 people, didn't get involved at all. A few people turned to others for help. But the ones who did react made a strong impression. Twenty-one people stood up directly to the attackers.