The Pima County Sheriff's Department is searching for a missing woman last seen at 9:10 a.m. Monday in the 300 block of South Paseo Lobo in Green Valley.
The woman missing is 77-year-old Rosalina Caballero. PCSD says she has diabetes and memory issues.
She is described as 5'5'', 120 pounds, with brown eyes and black hair. She was last seen wearing a white sweater, light blue khaki pants, and white shoes.
PCSD says she has a small Chihuahua dog on a leash walking with her.
Anyone with information is urged to call 9-1-1.