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Case Description
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Peggy Jo DeCoteau, age 40, went missing on July 4, 1979, while staying at the Big Sky Motel in Superior, Montana, with her husband, Earl. The couple was traveling from their home in Maple Valley, Washington, to visit relatives in North Dakota. According to Earl, when he woke up around 11:00 p.m., Peggy and her belongings, including her purse and travel bag, were gone. He did not report her missing until nine days later, after he unsuccessfully attempted to locate her by contacting friends and fa ...Read More
Last Seen: Jul 04, 1979
Victim Details

May 24, 2012

Jan 10, 2024

Peggy

Decoteau

85

40

60 inches

64 inches

155 lbs

White / Caucasian

Female

Jul 04, 1979

Superior

Montana

Mineral County

No

173

2970

Mineral County Sheriff/Coroner's Office

Superior

Montana

Mineral County

59872

310 River Street, Montana

4068223555

County

Law Enforcement

79281

Mineral County Sheriff/Coroner's Office

Red/Auburn

Blue

Blue

11/08/2025


Area Last Seen: