Judge bars some evidence as jury hears opening remarks in trial of Michigan school shooter's dad

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Assistant Oakland County Prosecutor Marc Keast presents a photo to the jury of the math test sheet drawn on by Ethan Crumbley before he followed through with a deadly mass shooting at Oxford High School in 2021 during opening statements at the Oakland County courtroom of Cheryl Matthews on Thursday, March. 7, 2024 in Pontiac, Mich. James Crumbley, 47, is charged with four counts of involuntary manslaughter, one for each teenager killed by Ethan Crumbley at Oxford High School in 2021. 9Mandi Wright/Detroit Free Press via AP, Pool)