TRENTON - A New Jersey man faces criminal charges after he purchased more than a dozen kits to make "ghost," or untraceable, guns at a Pennsylvania exhibition, the top law enforcement officers from both states said Friday.New Jersey acting Attorney General Andrew Bruck and Pennsylvania Attorney General Josh Shapiro said William Pillus of Lincoln Park, New Jersey, was indicted on five charges this week, including second-degree unlawful possession of an assault firearm, third-degree purchasing firearm parts to manufacture untraceable firearms, third-degree possession of firearm without a serial number, and two counts of fourth-degree possession of a large capacity ammunition magazine.MORE LOCAL CRIME HEADLINEHis girlfriend was also charged.