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Case Description
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Peter Theriault, a 51-year-old Army veteran, was last seen on December 2, 1998, in Irvine, California. Theriault lived with his girlfriend, Judy Valot, at the time. His sudden disappearance raised concerns when he failed to show up for his night shift at a Ford plant, something highly unusual for him. Valot initially claimed that Theriault had left after an argument, but her behavior and delayed reporting of his disappearance, combined with inconsistencies in her story, led to suspicion.
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Last Seen: Dec 02, 1998
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Last Seen: Dec 02, 1998
Links to Additional Sources (9)
See any mistakes?Victim Details
Apr 13, 2014
May 24, 2022
Peter
Theriault
77
51
71 inches
170 lbs
White / Caucasian
Male
Dec 02, 1998
Irvine
California
Orange County
No
186
15135
Irvine Police Department
Irvine
California
Orange County
92606
1 Civic Center Plaza, California
9497247000
Local
Law Enforcement
98-14736
Irvine Police Department
Gray or Partially Gray
Blue
Blue
11/29/2025
Area Last Seen:

