Headcase

Asa Mulvaney is half of a psychopathic whole. He and his twin brother live together, party together...kill together. In the Mulvaney family, murder is the family business and business is good. So, when an experiment separates Asa and his brother, Asa is forced to navigate the world on his own for the first time in his life.

Zane Scott is a small-time crime blogger, but he dreams of a byline in a major paper and his suspicions surrounding Thomas Mulvaney are about to make that dream a reality...