Romeoville Police DepartmentA man being sought in connection to the shooting deaths of a family of four in a Chicago suburb over the weekend was found dead in a burning car in Oklahoma on Wednesday, authorities said.Nathaniel Huey Jr., 31, of Streamwood, Illinois, was identified as a “credible” person of interest in the Sunday night slaying hours after it occurred, Romeoville Deputy Chief Chris Burne said at a news conference. Police previously said the family—two adults, their two children, and