Can you be charged for something if it is one word against another

My daughter is a medical asst. Some blank prescription forms were stolen. The thieves hand wrote a prescription and presented it to pharmacy. This isn't the norm for her medical office and the pharmacy said they called and she verified the prescription. She says she did not. She had been suspended from work (without pay) and after 6 weeks they are just now talking to her after many calls she has made to them. They say it is being investigated.