OKLAHOMA CITY - More frustration for a family whose mother was seen on camera, being abused by two nursing home workers. They say the nursing home, and a state agency, are refusing to hand over documents about their mother's case.

The family discovered shocking images of two nursing home workers, who were caught abusing 96-year-old Eryetha Mayberry. The workers were captured on a hidden camera Mayberry's daughters had placed in her room.

The video sparked outrage and led to the conviction of the women responsible for the abuse.

"Our main concern is that no other elderly person should have to endure what our mother went through, "said Sandra Cisper, one of Mayberry's three daughters. "And its going on!"

Mayberry has since passed away. Now her daughters want answers about the care she received at the Quail Creek Nursing and Rehab Center in NW OKC.

"They supposed to make a record of every injury," said Doris Racker, who is also one of Mayberry's daughters. "And there were many injuries."

The sisters say both their calls and letters requesting documents related to her case have  been ignored.

"I've been told that it had to be sent to the corporate office, that was the first excuse," said Racker. "The second excuse was the paperwork wasn't adequate, which it was. Everything was there!"

Doris says she wonders what the nursing home is trying to hide.

"I'm sure that a lot of stuff may be erased now, since they have had them for so long," said Racker.

"There's just no excuse for not having mother's medical records," exclaimed Cisper.

The sisters have also made numerous calls to the Department of Health, requesting its investigative report into their mother's case.

"Nobody ever has an answer for me," said Racker.

News 9 also placed a call Quail Creek Nursing and Rehab Center, and were directed to their corporate office in Roswell, Georgia. Our call has yet to be returned. We've learned federal law requires nursing homes to produce those records within two working days.

News 9 also checked with the Oklahoma Department of Health. The Chief of Long Term Care says they do investigate violations of state and federal law, and that the Mayberry's request is not being ignored.

But she adds she cannot confirm or deny if an investigation is currently being done because of privacy laws. We will continue to investigate.