The Touch( Series - Necroscope )

Jake wants revenge against the Italian mobsters who killed the woman he loved. Vampire hunting can wait until his own bloodlust is satisfied. But Jake discovers that the gangsters he's trying to kill are vampire-spawn hidden for two generations in human guise.

Malevolent aliens, the Mordri Three decide to become so evil that God himself will have to stop them. They can alter flesh with a simple touch, literally turning people inside out or seeding them with cancer. The Three have already destroyed an entire solar system and most of their own race. Their next targets: mankind and Earth
On Earth, Scott St. John is mourning his beloved wife when he is struck by a golden arrow of light--a fragment of the soul of Harry Keogh, the original Necroscope--and gains powers he does not understand. A mysterious, beautiful woman appears, desperately trying to warn Scott about something . . . then vanishes mid-word. Scott dreams of a very unusual Wolf, who begs him--in human speech--for rescue.
A fledgling Necroscope, a telepathic Wolf, a beautiful woman from beyond the stars, the ghost of Harry Keogh, the best of E-Branch's psychic fighting forces, and a dead girl who is not yet ready to seek her just reward must defeat three impossibly strong, psychically gifted monsters whose touch literally melts flesh from bone.