Lunatic

Every psychopath in the Mulvaney family has a role to play. Archer Mulvaney is the gambler, a drunken reprobate making his living as a high-stakes poker player. Very few people know the real Archer, not even his brothers. But there is one man who knows far too much.

Mackenzie Shepherd spends his days photographing endangered wildlife. He's also the brother of a sociopath and son to the woman who literally wrote the book on raising one. When his mother asks him to head a secret government pro...