The security department, Jones said, decides when to contact external authorities -- be it the police or the Department of Health.

Thorough research is done before any decisions are made on suspension or termination, Jones said.

While nurses are primarily those administering medications, Jones said, there are other health-care providers with access to the cabinets. Pharmacists, pharmacist technicians and therapists are among them.

Scott Bitting, director for Security and Emergency Management Services at the hospital, said Geisinger has a well-defined process to conduct investigations related to medication or narcotics irregularities.

"When an investigation identifies that a crime may have occurred, we report and cooperate fully with the appropriate law-enforcement agencies," he said in a statement. "Agencies involved include the Mahoning Township Police Department and the Narcotics Diversion Division of the state attorney general's office. We have established and maintain an effective working relationship with these agencies."

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