Charged was Glenn Phillips, a 53-year-old security consultant and resident of Rennard Drive, located not far from Downingtown East High School off Biddle Drive. He was taken into custody on Friday and is currently being held on $250,000 cash bail at the Chester County Prison. Phillips is facing charges of the attempted murder of Charles Oswald, a first-degree felony; aggravated assault and assault with a deadly weapon, also felonies; simple assault, recklessly endangering another person, and possession of an instrument of crime. He is scheduled to have a preliminary hearing before Magisterial District Judge Paige Simmons of Uwchlan on June 26.