br What has been killing cattle in Dharmapuri, in the Indian state of Tamil Nadu? Local villagers think blood-sucking vampires are to blame.br br Terrified residents believe they could be next. They are staying indoors after sunset and taking precautions against vampire attack.br br Police say the vampire attacks are a hoax. They say bootleggers have spread rumors and killed cattle to keep people from their operations.br br Authorities are offering US$2,000 for evidence of vampires.