Webjennifer crumbley, mother of michigan shooter, testifies she regrets her son's actions. Crumbley was charged with involuntary manslaughter after her son, ethan, killed four. Webfeb 6, 2024 · jennifer crumbley, 45, is the first us parent convicted of manslaughter over a mass shooting carried out by their child. Prosecutors accused her of being negligent in. Webfeb 7, 2024 · 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. Webfeb 6, 2024 · pontiac, mich. — jennifer crumbley, the michigan woman charged in connection with her son’s deadly school shooting rampage in 2021, was convicted.