The person at the center of this case
Rachel Lucille Cyriacks
Missing Person · Open
12 years waiting · since 2013
Missing Person: Rachel Lucille Cyriacks
Justice for Rachel Lucille Cyriacks — the trail went cold in 2013, but the truth hasn't.
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Key leads to think about
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vehicle
Lead #1Gray 1995 Chevrolet Silverado pickup truck - has this vehicle ever been located or spotted since her disappearance?
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location
Lead #2Why was Rachel in Woonsocket on November 13 if her last known contact was in Mitchell on November 11 - what was she doing in the area?
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witness
Lead #3Were there any witnesses who saw Rachel or her vehicle in Woonsocket on the morning of November 13, 2013?
Rachel Lucille Cyriacks, a 30-year-old woman, was last seen on the morning of November 13, 2013, in Woonsocket, South Dakota, driving a gray 1995 Chevrolet Silverado pickup truck. The circumstances of her disappearance remain unclear, and investigators have not determined what happened after she was last spotted. The case remains open with the Sanborn County Sheriff's Office, and anyone with information about Rachel's whereabouts or the location of her vehicle is urged to come forward.
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
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clue
Lead #4What circumstances led to her disappearance - was there any indication of foul play, accident, or voluntary departure?
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Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP23091. Missing person: Rachel Lucille Cyriacks.
Last known contact: 2013-11-11 in Mitchell, Davison, SD. Circumstances: Rachel Cyriacks was last seen the morning of Nov 13, 2013 in Woonsocket, SD.
Rachel was driving a gray, 1995 Chev. Silverado pickup.
Demographics: 30 years, Female, White / Caucasian. Physical description: 5 ft 5 in, 130 lbs, hair: Sandy, eyes: Hazel.
Investigating agency: Sanborn County Sheriff's Office | 13-128456.
Timeline of Events
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2013-11-11
Last Known Contact
Last known contact with Rachel Lucille Cyriacks
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2013-11-13
morningLast Seen
Rachel was last seen in Woonsocket, SD, driving a gray 1995 Chevrolet Silverado pickup truck
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:November 11, 2013
Last Updated:August 13, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 6057964511
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Case Information
Incident:November 11, 2013
Last Updated:August 13, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 6057964511
You can remain anonymous