The Sleeping Doll by Jeffery Deaverby Jeffery Deaver

Daniel Pell is a contemporary Charles Manson. A petty criminal with a history of antisocial behavior and obsession with controlling other people, he had a group of women living with him in a quasi cult in central California. Eight years ago, he and another man viciously slaughtered a family for no apparent reason, though the three women in his "Family" were absolved of any part in the deaths.

Orcs

"Look at me. Look at the Orc." "There is fear and hatred in your eyes. To you I am a monster, a skulker in the shadows, a fiend to scare your children with. A creature to be hunted down and slaughtered like a beast in the fields.
It is time you pay heed to the beast. And see the beast in yourself. I have your fear. But I have earned your respect. Hear my story..."