Effects man killed parents for being cruel to his dog

A former Lord of the Rings visual effects technician stabbed his parents to death in a row over his pet dog, a court heard. Sergey Koudryavstev, 48, murdered Vladimir, 69, and Tatiana Koudriavstev, 68, on May 20 in the dispute over ‘Enzo’ his Staffordshire Bull Terrier. He turned himself in three days later before they discovered the bodies of the elderly couple inside their flat in Adair Tower, north Kensington. His mother was found in the bathroom with stab wounds…