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Case Description
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Theresa Ann Bier was a 16-year-old girl who disappeared on June 1, 1987, from Fresno, California. At the time of her disappearance, she was living with her uncle in Fresno after a tumultuous upbringing, having been removed from her biological parents. On the day she went missing, Theresa planned to skip school to go camping in the Sierra Nevada mountains with a 43-year-old man named Russell "Skip" Welch, who had developed an obsession with Bigfoot. The two ventured to the area near Shuteye Peak, ...Read More
Last Seen: Jun 01, 1986
Last Seen: Jun 01, 1986
Links to Additional Sources (8)
See any mistakes?Victim Details
Dec 21, 2009
Jun 20, 2023
Theresa
Bier
53
15
65 inches
110 lbs
White / Caucasian
Female
Jun 01, 1986
Fresno
California
Fresno County
238
7938
Fresno Police Department
Fresno
California
Fresno County
93721
2323 Mariposa Mall, California
5596217000
Local
Law Enforcement
8736264
Fresno Police Department
7507
Brown
Hazel
Hazel
11/19/2025
Area Last Seen:






