Mandi Wright/Detroit Free Press via AP, Pool
- A verdict was reached in the trial of the mother of the Oxford, Michigan, school shooter.
- Jennifer Crumbley was found guilty for her son's deadly 2021 rampage that left four students dead.
- The verdict follows a more than week-long unprecedented trial.
The mother of the teenage mass shooter who killed four classmates at his Michigan, high school more than two years ago has been found guilty for her son's murderous rampage following a-first-of-its-kind trial.