A Pennsylvania man used a homemade, high-pressure air gun to fatally shoot a neighbor with whom he had an affair, a prosecutor and police said. Josef Raszler, 35, was charged Wednesday with criminal homicide in the Sept. 13 shooting of 46-year-old Stephanie Roof. She was shot with a homemade metal projectile about 1 a.m. in the driveway of her home across the street from Raszler’s in Lower Macungie Township. Lehigh County District Attorney Jim Martin said investigators haven’t found the weapon Raszler allegedly used, but they have evidence he researched making it and practiced with it at his parents’ lake...