Baltimore County Police are searching for a critically missing woman from the Catonsville area.
Alberta Frederiksen Didier, 78, is described as a Caucasian female, 5 feet 2 inches, 160 pounds, blue eyes with grayish blonde hair. It is not known what she might be wearing.
Police said she should be operating a gray Mercury Grand Marquis with Maryland tags of 63021HV.
Didier has medical and mental challenges, according to police, and takes multiple medications. She was last seen outside of Pittsburg, Penn. at 10:30 a.m. Wednesday.
Maryland State Police have issued a Silver Alert.
Anyone with information is asked to call Baltimore County Police at 410-887-0872.