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NEW YORK (PIX11) — MTA bus driver Cathy Davis-Baker said she’s in complete shock and finds it hard to trust anyone after one of her co-workers found something disturbing inside of a bus depot bathroom.

The discovery? A spy-like hidden camera behind a toilet at the Grand Avenue bus depot in Maspeth, Queens.

“We’re supposed to use the restroom in comfort and not be invaded,” she told PIX11 News’ Nicole Johnson in an exclusive interview.

A criminal investigation was launched to get to the bottom of the invasion of privacy. As of Friday, police were working to figure out who rigged the camera — and what was recorded.

It’s something that Davis-Baker, a 15-year veteran of the MTA, said she never expected to happen. Now, she’s questioning if she was captured on camera; it’s making it hard for her and her coworkers to trust anything around them.

“We don’t feel safe,” Davis-Baker said. “Every time we go to the restroom, we have to look around. This is supposed to be our safe zone.”

The Transit Workers Union did not immediately return PIX11’s request for comment. An MTA spokesperson told PIX11 New on Sunday the agency had taken steps to prevent this from happening again but did not offer further details on how.

“After learning what had been discovered, police were notified immediately and are conducting a criminal investigation. Employee safety and privacy is paramount, and steps have been taken to prevent future violations,” MTA spokesperson Renee Price said.