A 35-year-old township woman Katherine MacPherson is accused of having a fraudulent substitute teaching certificate at the Alder Avenue Middle School, police said Wednesday. Police received a call from school district Security Director Bryan Paige advising that a substitute teacher, MacPherson, was at the school with what appeared to be a fraudulent teacher identification, the department said in a news release.After confirming the identification was fraudulent, MacPherson was taken into custody, police said.