Hillsborough deputies are asking the public's help to find a missing, endangered 80-year-old woman.
Carol Nigro of Seffner was last seen by her son at Nigro's residence on Chastain Road in Seffner about 6 a.m. Friday, the Hillsborough County Sheriff's Office said.
When Nigro's son returned home from work about 6:30 p.m. Friday, Nigro and her 2008 Chevrolet Malibu were missing.
Nigro has Alzheimer's disease.
Nigro has been listed missing on three prior occasions and was previously located in Brooksville.
She is described as a white, 5-foot-2, 110 pounds and has gray hair and brown eyes. She may be driving a 2008, blue four-door Chevrolet Malibu Florida tag number K004AQ.