Fear flashed across the girl's face before it disappeared. "This wasn't supposed to happen. It's all my fault." She replied before a man around Sam and Dean's age jogged over to them, glaring at the brothers. "What's going on here?" He asked, voice a deep growl. 

The girl looked back at the man as he approached. "They know about the deaths." She replied, a slight hint of fear in her voice. The man glanced back at the brothers, taking in their appearance. "Who are you?"