CATOOSA, Okla. - An employee at a Green Country cancer clinic that was shut down Tuesday amid a federal investigation was arrested while agents were raiding the facility.
Camelot Cancer Care was shut down by FDA and FBI agents Tuesday afternoon and employee Michael McDonnough was arrested during the raid.
Officers say McDonnough snuck into the building and tried to remove a computer.
Police say they chased McDonnough away from the clinic and found a pistol in a backpack he was carrying.
McDonnough's role at the facility is uclear at this time.
FBI officials say the investigation is ongoing and officials aren't saying what led them to the cancer center.
One Man from Oklahoma City told 2NEWS he was in the clinic with his wife, who suffers from melanoma, when nearly 20 investigators entered the facility.
"It was terrifying," he said. "It was scary. It left me feeling helpless."
Agents did not say how long the facility will remain closed.