Here is a case summary from the Doenetwork, with a link...
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Amanda Nicole Campbell
Missing since December 27, 1991 from Fairfield, Solano County, California.
Classification: Non Family Abduction
Vital Statistics
Date Of Birth: May 7, 1987
Age at Time of Disappearance: 4 years old
Height and Weight at Time of Disappearance: 3'7; 70 pounds
Distinguishing Characteristics: White female. Blonde hair; blue eyes. Campbell's nickname is "Nikky."
Marks, Scars: Campbell has facial dimples. She has light brown-colored moles on her forehead and near her nose. Her ears are pierced.
Dentals: Available
Clothing: Campbell was last seen wearing a pink jacket; purple pants; dark purple short sleeved shirt; and white tennis shoes.
Circumstances of Disappearance
Campbell was last seen at approximately 5:00 PM on December 27, 1991 near her home in Fairfield, California. She left her brother and a friend to ride her bicycle to another friend's house; she never arrived. Campbell's bicycle was discovered abandoned later in the night. Authorities believe that she was abducted by a non-family member.
Investigators
If you have any information concerning Campbell's whereabouts, please contact:
Fairfield Police Department
Detective Harold Sagan
707-428-7355
You may remain anonymous when submitting information.
Agency Case Number: 91-018474
NCMEC #: NCMC763225
NCIC Number: M-536133336
Please refer to these numbers when contacting any agency with information regarding this case.
Source Information:
The National Center For Missing and Exploited Children
CA DOJ
The Doe Network: Case File 216DFCA
LINK:
http://www.doenetwork.us/cases/216dfca.html