“I always assumed I’d know what the end of my rope would be like, but I didn’t. I’d seen and done horrible things—but this, this was the worst day of my life.” As a gang member, 17-year-old Matt Bergen had been in many dangerous situations before, but this was the first time he was unequivocally terrified. The police were closing in on him. “I knew I was in deep trouble,” says Matt. “I tried to end my life, but the gun jammed. I couldn’t believe it. So I prayed instead. I prayed a desperate prayer that if God was real,...