BEAVERTON, Ore. -- Beaverton Police arrested a nursing assistant suspected of posing as a nursing home employee to steal drugs.

Earlier in the month, surveillance cameras at Beaverton's Maryville Nursing Home caught a woman on camera, posing as a resident's granddaughter, then as an employee. Administrators there said the woman snuck in and spent at least three evenings with one of their residents.

Portland police

Beaverton Police investigated and learned that 27-year-old Theresa Smith was a certified nursing assistant and worked at nursing homes in the Portland Metro area.

Police listed Smith as a person of interest after a report of theft of Fentanyl patches at the Laurelhurst Village Nursing Home on SW Stark Street.

She was accused of stealing Fentanyl pain patches from nursing home residents while the residents were wearing the patches. Detectives said she stole from several patients at area nursing homes.

Detectives arrested Smith Wednesday while she was working at the Care Center East Nursing Home on NE Wielder Street.

Smith was was charged with burglary, criminal mistreatment, possession of a controlled substance and theft. Police said she may face more charges.