Prosecutors argued that Crumbley was so negligent as a parent that she was partly to blame when her son Ethan killed four people at Oxford High School in Pontiac in November 2021.
Buck Myre lost his 16-year-old son Tate in the attack at Oxford High School in November 2021, and he revealed that as a responsible gun owner he blamed systemic issues rather than firearms.
Jennifer Crumbley, 45, appeared shocked as the jury read out its verdict on Tuesday, finding the mother of the 2021 Oxford High School mass shooting guilty of involuntary manslaughter.
Jennifer Crumbley, who is facing up to 60 years in jail on involuntary manslaughter charges testified that it was her husband James responsibility to store their son s gun.
Taking the stand for the second day in a row, Jennifer Crumbley is set to be cross-examined by prosecutors, who allege that she negligently ignored red flags in her school shooter son.