Attorneys for the mother of a school shooter are requesting to overturn her conviction, arguing that her trial was tainted.

On Monday, new lawyers for Ethan Crumbley's mother filed a motion for an acquittal and new trial, claiming that Jennifer Crumbley's criminal trial for the November 2021 shooting was "flawed from start to finish."

In a unique case, a Michigan jury convicted Jennifer of four counts of involuntary manslaughter for her son's shooting on November 30, 2021, which killed Tate Myre, Justin Shilling, Hana St. Juliana, and Madisyn Baldwin and injured seven others. Her husband, James Crumbley, was also convicted on the same charges, setting a new precedent for parents of children who commit crimes.

"Attorney Michael Dezsi wrote in a Monday filing that the proceedings against Mrs. Crumbley were tainted from top to bottom and were a result of prosecutorial overreach attempting to criminalize her noncriminal conduct. Additionally, Mrs. Crumbley was denied a fair trial where the prosecution withheld key impeachment evidence and pursued inconsistent legal theories that resulted in grave injustice to the law."

Jennifer was given a prison sentence of 10 to 15 years after being found guilty of neglecting her son's cries for help in Oakland County court.

On the same day that Ethan drew violent images on a worksheet in class, she and James arrived at Oxford High to discuss the images with school administrators. However, they left and returned to work shortly after.

Dezsi wrote that Mrs. Crumbley's constitutional rights were violated by allowing the jury to convict her without a unanimous decision on the crimes committed. As a result, the court should grant a judgment of acquittal or a new trial.

In a nearly 700-page filing, he contends that prosecutors granted cooperation agreements to school counselor Sean Hopkins and former Dean of Students Nicholas Ejak, allowing them to testify against Jennifer Crumbley without disclosing the details of those agreements to her defense. As a result, Ejak and Hopkins were able to avoid criminal charges in the case.

According to Guidepost Solutions' independent investigation, Ejak and Hopkins, who possess the most knowledge about the decision to let the shooter return to class following his meeting with parents and school officials on Nov. 30, 2021, declined to collaborate with the investigation.

In certain critical areas, individuals at every level of the district failed to ensure a safe and secure environment.

In his motion for acquittal, Hopkins and Ejak were "in the proverbial hotseat, hoping to evade criminal charges for their actions and inactions related to the shooting."

The witnesses were hoping to avoid prosecution by cooperating with the prosecution, as they had bias, motive, and personal interest to testify in a way that shifted responsibility toward Mrs. Crumbley and away from themselves, according to the filing.

In a Monday press release, Dezsi stated that Jennifer's "right to a fair trial was further denied when the jury was instructed that it could convict Mrs. Crumbley even without a unanimous verdict."

"No parent in America has ever been held responsible for a school shooting committed by their child, as there was no crime committed by Mrs. Crumbley, the mother of the shooter. This case should be a concern for parents everywhere."

Karen McDonald, the Oakland County prosecutor who handled all three Crumbley cases, criticized Dezsi's statement, stating that "parents everywhere are concerned," but not "about legal consequences."

"The parents of the victims in the Michigan school shooting are concerned about their children's safety at school," she said in a Monday statement. "James and Jennifer Crumbley were found to be grossly negligent and responsible for the deaths of their children. Holding them accountable for their role is an important step in making our schools safer."

David Williams, the Chief Assistant, stated that the witnesses testified without any promises or protection, and there was no immunity granted to them.

"Jennifer Crumbley's legal issues were already reviewed by the Michigan Court of Appeals and rejected," Williams stated. "In cases where there are egregious facts, such as parents ignoring their son's crisis, buying him a gun, and failing to secure it, parents should be prosecuted."

On Monday, the prosecutor's office stated that in March 2023, the Michigan Court of Appeals ruled that the Crumbleys' actions and inactions were directly linked to Ethan's actions.

The Appeals Court stated that the connection between the defendants and the untreated mental state of EC existed not only due to the parent-child relationship but also because of the evidence showing that the defendants were actively involved in EC's mental state remaining untreated, provided him with the weapon used to kill the victims, and refused to remove him from the situation that led directly to the shootings.

James and Ethan Crumbley are separately appealing their convictions. James was sentenced to 10 to 15 years in prison, while Ethan, who was a teenager at the time he pleaded guilty to his crimes, was sentenced to life without the possibility of parole.