A gynecologist is being accused of hiding a camera in a pen, which he used to secretly record patients.

A Johns Hopkins Hospital employee reported the doctor, accusing him of having a camera in a pen that he wore around his neck. The employee became suspicious of the doctor and reported the incident to hospital officials on February 4, the Associated Press reports.

The incident was reported in a letter from the hospital's CEO, Dr. Paul B. Rothman who sent it to the the law firm of Silverman Thompson Slutkin & White, which is working with the Maryland Crime Victims' Resource Center. The Associated Press recently got hold of this letter.

The employee's claims led hospital officials to discover that Dr. Nikita Levy had indeed been recording patients during exams with the pen camera at the Hopkins clinic. According to police, the 54-year-old gynecologist killed himself at his home on Feb. 18.

The employee who filed the report said that she noticed the pen that Levy wore around his neck while examining his patients. She found this to be suspicious and believed the pen contained a camera.

According to the letter by Rothman, Hopkins security staff questioned Levy in his office the day after the report was made. They found similar devices in his office and on his body.

On February 5, Levy was banned from making contact with patients and he was escorted off the hospital grounds. The hospital notified the Baltimore police the following day. Police said they found a lot of evidence that backed up the employee's claims.

A class-action lawsuit against Hopkins is in the works as more than 2,000 patients and former patients of Levy called a special hotline set up by the hospital.

Police are continuing to investigate and determine if anyone else may have been involved in Levy's scandal. They're also trying to determine if any of the images were posted online or sold.