however they were very distressed as they were walking out. prosecutors say the couple are culpable in the alleged crime of their teenage son because they ignored a sequence of events, including the concerns of teachers, that ethan crumbley might be about to use a gun. hours before the shooting, teachers raised the alarm after they spotted a drawing by the boy depicting a gun and a bloody scene with the words, the thoughts won t stop, help me . in another section of the note was a drawing of a bullet with the following words above, blood everywhere . this is an unusual case in a country that has wrestled with the scourge of school shootings for decades. ethan crumbley is accused of murdering four classmates hannah saintjuliana wasjust14, tate myre, 16, madison baldwin and justin schilling, both 17. if found guilty, he faces a maximum sentence of life without parole. his parents could be sent to prison for up to 15 years.