Jennifer Crumbley testifies during her trial, Thursday, Feb. 1, 2024, in Pontiac, Michigan.
Mandatory Credit:	Mandi Wright/Pool/Detroit Free Press/AP

Jennifer Crumbley testifies during her trial, Thursday, Feb. 1, 2024, in Pontiac, Michigan.
Mandatory Credit: Mandi Wright/Pool/Detroit Free Press/AP

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Jennifer Crumbley, school shooter mother , guilty of manslaughter in who’s responsible for a mass shooting

Jennifer Crumbley, the mother of the teenager who killed four students at an Oxford, Michigan, high school in 2021, was found guilty Tuesday of all four counts of involuntary manslaughter in a novel legal case that stood as a test of the limits of who’s responsible for a school shooting.