Jennifer Crumbley challenging conviction in Oxford school shooting [Video]

ROYAL OAK, Mich. (WXYZ) — Eight months after being sentenced 10-15 years in prison on involuntary manslaughter charges, Jennifer Crumbley, the mother of Oxford school shooter, is challenging her conviction and is hoping to get her sentence overturned.

RELATED VIDEO: James and Jennifer Crumbley sentenced to 10-15 years in Oxford High School shooting

James and Jennifer Crumbley sentenced to 10-15 years in Oxford High School shooting

In a press release, Crumbley’s attorney, Michael Dezsi, claims that his client’s convictions “stem from a trial riddled with legal errors where key evidence was withheld, and cooperation agreements were peddled and suppressed to secure testimony for the prosecution to convict an individual who committed no crime.”

Crumbley’s son opened fire at Oxford High School on Nov. 30, 2021, killing four students – Tate Myre, Hana St. Juliana, Madisyn Baldwin and Justin Shilling – and injuring six other students and a teacher.

“The prosecution …