Student saw teacher , alleged killer alone together before slaying . Diana Chism says her `` heart is broken '' for the teacher 's family . Her son , Philip , has been arrested in the case . The mother says she is struggling to understand it . She said that when he was first charged with murder and attempted murder, they had no idea what charges would be brought against him.
Diana Chism says her `` heart is broken '' for the teacher 's family . Her son , Philip , has been arrested in the case . The mother says she is struggling to understand it . She said that when he was first charged with murder and attempted murder, they had no idea what charges would be brought against him.