A disturbing Ohio child-endangerment case involving 16 children has taken a dramatic new turn, after a judge approved mental-health evaluations for the mother accused of allowing her children to live in what authorities described as deeply deplorable conditions.

Elizabeth Siders, 33, is facing 16 counts of felony child endangerment alongside her husband, Gary Siders Jr., and his parents, Gary Siders Sr. and Christina Siders. The charges stem from the discovery of 16 children inside a Hamden, Ohio, home on June 30.

But the case is now entering a new and potentially complicated legal phase.

On August 4, Elizabeth Siders’ attorney, J. Thomas Stolly, filed a motion asking the court to determine whether his client is competent to stand trial. The motion went further, requesting an additional evaluation to determine whether Siders may have been legally insane at the time of the alleged offenses.

On August 10, the judge granted the request.

According to the defense filing, Stolly said that after meeting with Siders on numerous occasions and spending extended periods with her, he became concerned that she may be experiencing significant mental-health issues. The attorney argued that those issues could affect her ability to understand the proceedings and assist in her own defense.

If she is found competent, the second evaluation could examine whether she was legally insane when the alleged conduct occurred.

That distinction is crucial.

A competency evaluation does not determine whether someone committed a crime. Instead, it examines whether the defendant currently understands the legal proceedings and can meaningfully participate in a defense.

An insanity evaluation addresses a different question: whether a person’s mental state at the time of the alleged conduct met Ohio’s legal standard for an insanity defense.

No court has determined that Elizabeth Siders is mentally ill, legally insane, or not responsible for the allegations against her.

The dramatic development comes weeks after authorities removed the 16 children from the family home.

Investigators said the children ranged in age from approximately 18 months to 18 years and were found living in severely unsanitary conditions. Authorities alleged that many of the children were confined to a roughly 12-by-12-foot room and that the room was contaminated with human feces.

Several children reportedly required medical treatment after they were removed from the property.

The investigation began in an unexpected way.

Authorities were reportedly at the Hamden residence while pursuing an unrelated investigation involving Gary Siders Jr. It was during that operation that officers encountered the children and the conditions inside the home.

What investigators discovered quickly became a major criminal investigation involving the entire household.

All four adults have pleaded not guilty to the child-endangerment allegations.

The case, however, has not yet reached a trial.

Instead, prosecutors and defense attorneys are dealing with a series of preliminary legal questions, including whether each defendant is mentally competent to participate in the proceedings.

Elizabeth is now the fourth adult connected to the case for whom competency concerns have emerged. Judges have already ordered competency evaluations for Gary Siders Jr., Gary Siders Sr. and Christina Siders.

That unusual development could significantly affect the pace and direction of the prosecution.

The court must now wait for the evaluations before determining the next steps involving Elizabeth.

Meanwhile, Gary Siders Sr., the children’s grandfather, has also experienced a major change in his legal circumstances. After medical treatment and hospitalization, he was released under conditions connected to a $300,000 bond arrangement. The conditions include GPS monitoring and requirements that he appear for court proceedings and comply with other court-ordered conditions.

The children’s future remains another major part of the story.

Following their removal, the children were placed under the temporary care of children’s services while authorities worked to address their medical, educational and psychological needs.

The investigation has also raised questions about how the children could have remained largely isolated from public view for such a long period.

For now, the biggest unanswered question may not be what happens at trial, but whether the case will even proceed in the same form.

The mental-health evaluations could become a pivotal point in determining what happens next.

Elizabeth Siders has not been convicted of any crime. The allegations against her remain allegations, and the prosecution still must prove its case beyond a reasonable doubt.

But with all four adults now facing competency-related proceedings, the Ohio “House of Horrors” case has entered an extraordinary new chapter — one that could dramatically reshape the courtroom battle over what happened to 16 children inside one family home.