The Pleasanton Police Department released new details, including a sketch of a woman, discovered in trash can on a road in a rural area of the East Bay City on May 24.
A forensic anthropologist determined the age range of the woman to be between mid 20s to 40 years of age, according to reports.
Police said the ethnicity of the woman is believed to be either asian, hispanic, caucasian with asian traits or native American.
The woman was found wearing blue fingernail polish, red toenail polish, and she had three ear piercings in each ear, according to police. She had no tattoos or distinctive markings.
Authorities had said last week that based on the physical traits of the body that it was most likely not Sierra LaMar, the 15-year-old Morgan Hill girl who was kidnapped March 16 and presumed to be murdered.
Anyone with information about the case has been asked to call Pleasanton police at (925) 931-7300.