Ava is responsible.

Dylan rushed into the hospital, his heart pounding. He spotted Erica pacing in the hallway, her face lined with fury and anguish. The moment their eyes met, he hurried toward her. "What happened to her? Is she okay?"

"You are asking me what happened?" Erica snapped. "Why did you leave her alone in the middle of nowhere? Some thugs kidnapped her and…" She trailed off, her mouth twisting in agony and anger. "She was gang raped." 

Dylan felt as though a ton of bricks had crashed down on him. A sickening wave of regret hit him in full force. He had promised his friend that he would always protect Gianna, but he failed. He was ashamed of himself. Guilt gnawed at him, twisting deep in his chest.