Diane Edwards, 45, was arrested on Monday. According to an arrest affidavit, Edwards used the credit cards belonging to her 72-year-old ward and that ward's husband, who suffers from alzheimer's disease. Over time, Edwards allegedly racked up close to $5,000 in charges.
Police also say there is surveillance video of Edwards using the card to buy a camera at Wal-Mart.
Edwards is facing credit card abuse charges. She faces 10 years behind bars if convicted.