PONTIAC, Mich. (AP) — A prosecutor says the parents of a teen accused of killing four students at a Michigan high school were summoned a few hours earlier after a teacher found a drawing of a gun, a person bleeding and the words “help me.”

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Oakland County prosecutor Karen McDonald made the disclosure Friday as she filed involuntary manslaughter charges against Jennifer and James Crumbley, the parents of 15-year-old Ethan Crumbley.

McDonald says the gun used in the shootings at Oxford High School was purchased by James Crumbley a week ago and given to the boy.

Ethan Crumbley was returned to his classroom and later emerged from a bathroom, firing a gun at students. He’s charged with murder and other charges.

McDonald says Jennifer Crumbley sent her son a text, saying “Ethan, don’t do it.”

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