🚨 BREAKING: NEW JAIL VIDEO SHOWS “HOUSE OF HORRORS” MOM REPEATEDLY COVERING MYSTERIOUS MARK ON HER ARM

A newly released booking video is drawing fresh attention to the Ohio “House of Horrors” case — and one brief detail has left people asking questions.

Elizabeth Siders, 33, was being processed into the Southeastern Ohio Regional Jail when cameras captured her repeatedly touching, rubbing and appearing to cover a dark mark on her left forearm.

At one point, she appeared to try to wipe at the area before continuing through the booking process.

But what exactly was on her arm?

Authorities have not publicly identified the mark or explained what caused it.

And that distinction matters.

The video itself does not establish that the mark was connected to the allegations against Siders.

Still, the footage has attracted renewed attention because it comes amid one of the most disturbing child-welfare cases to emerge from Ohio this year.

On June 30, authorities descended on a home in Vinton County and removed 16 children, ranging in age from approximately 18 months to 18 years.

Investigators have described conditions inside the property as severely unsanitary and unsafe.

The children were reportedly living in extremely crowded conditions, with authorities alleging that many had been confined to a small room.

Several children required medical attention after being removed from the home, according to authorities.

Four adults — Elizabeth Siders, her husband Gary Siders Jr., and his parents Christina and Gary Siders Sr. — were arrested.

Each was charged with 16 counts of felony child endangerment.

The shocking discovery immediately raised questions about how so many children could allegedly have been living in those conditions without the situation being uncovered sooner.

But now, investigators and the public are also looking more closely at every available piece of evidence.

Including the booking footage.

In the video, there is no dramatic confrontation.

No confession.

No explanation.

Just a few seconds in which Siders repeatedly appears to focus on the same mysterious area of her arm.

And that has sparked one simple question:

WHAT WAS SHE TRYING TO COVE