DETROIT (AP) — The parents of a teenager who killed four students at a Michigan high school can face trial for involuntary manslaughter, the state appeals court said Thursday in a groundbreaking case of criminal responsibility for the acts of a child. “The morning of the shooting, EC drew a picture of a body that appeared to have two bullet holes in the torso, apparently with blood streaming out of them, which was near another drawing of a handgun that resembled the gun his parents . When he pleaded guilty, Ethan Crumbley said the gun he used was not locked in a box at home