By Aya Fayad, MediaNews Group

The convicted mother of the Oxford High School shooter who killed four of his classmates on Friday asked the Michigan Court of Appeals to throw out her involuntary manslaughter convictions for what she described as a “sham prosecution” by a “cheating” prosecutor.

In the historic February 2024 decision, Crumbley was convicted in a jury trial on four counts of involuntary manslaughter arising from the criminal acts of her son, Ethan, who shot and killed four students at Oxford High School in November 2021. Ethan’s father, James Crumbley, was also convicted on four counts of involuntary manslaughter in a separate jury trial in March 2024. Both were sentenced to 10 to 15 years in prison.

Prosecutors said both parents were grossly negligent by storing a gun and

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