He gives wolves a bad name.
"...a pervasive pattern of disregard for, and violation of, the rights of others that begins in childhood or early adolescence and continues into adulthood."
This is Tony Soprano and Randle Patrick McMurphy (Jack Nicholson) from that Cuckoo's Nest movie. I'd be surprised if Bernie Madoff and a certain real estate magnate doesn't also have this.
They don't care about anyone's life, including their own, so I suppose trained assassins can also be in this category.