The Summer Children by Dot Hutchinson

When Agent Mercedes Ramirez finds an abused young boy on her porch, covered in blood and clutching a teddy bear, she has no idea that this is just the beginning. He tells her a chilling tale: an angel killed his parents and then brought him here so Mercedes could keep him safe.

His parents weren’t just murdered. It was a slaughter—a rage kill like no one on the Crimes Against Children team had seen before. But they’re going to see it again. An avenging angel is meting out savage justice, and she’s far from through… Read more.