The Devil Made Us Do It

She hates sunlight, prefers to sleep in a coffin and has an upside-down crucifix tattooed on her shaved scalp. He drinks blood and found her through a magazine ad that read: "Vampire seeks Princess of Darkness who hates everybody and everything." Together, Manuela and Daniel Ruda are accused of killing a close friend with a hammer and dozens of stab wounds. Said prosecutor Dieter Justinsky: "I have never, ever seen such a picture of cruelty and depravity."

The couple are on trial in the western German city of Bochum for the grisly murder of Frank Hackerts, 33, who worked in...