NORTHBOROUGH -- A dog owner who lied that his biting dog "Chewy," had been hit by a car and killed rather than turn it over to selectmen for death will spend a month in jail now that Chewy has bitten a third child.<!ENDSUMM!> Jan Motyl-Szary, 47, who moved to Holden after his vicious yellow Labrador retriever, Chewy, was sentenced to death in Northborough, had sworn in a Northborough affidavit that Chewy was dead. He even changed Chewy's name to Scooby-Doo. Motyl-Szary said Chewy was hit by a truck on Interstate 93 near Salem, N.H. "I am saddened but relieved that...