Human remains found at serial killer's family home in Florida

SPRING HILL, Fla. (WFLA) - A grisly discovery in Florida on Tuesday may change the course of a decades-old serial killer case. Human remains were found in the yard of a Hernando County house belonging to the family of convicted serial killer William "Billy" Mansfield. Neighbors say multiple investigators began showing up at dawn, bringing bulldozers with them to facilitate the sobering task of digging for bodies.Graphic discoveries have been unearthed there before. According to court documents a