Tenderness, by Robert Cormier
Eric Poole started out just killing small animals, kittens, and birds, but soon finds himself in a juvenile detention center for killing his parents. Eric claims he was being abused and the murders were in self-defense.
Lori Cranston, a 15-year-old runaway is drawn to Eric. She met him in passing a few years before Eric was arrested and wants to meet him again upon release from the detention home.
Eric and Lori are brought together and the tension begins. With a veteran police officer watching Eric, waiting for his one slip back to a life of crime, Eric finds companionship in Lori and then in a Cormier-esque ending lives are shattered.
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