MUS-2026-0318
Archive card
MUS-2026-0318
Missing person
- Incident
- 2009
- Indexed
- Oct 18, 2026, by MuseUnsolved
- Agency
- Polk County Sheriff's Department
- Location
- St. Croix Falls WI
Public record. Index entry.
Index entry. Case details compiled from public reporting; our researchers have not verified this file yet.
Summary
What happened, as the record shows.
Rose Marie Bly, 21, a mother of two toddlers, left home on the evening of August 21, 2009 to drive about five miles to meet a cousin at a bar in Cushing, Wisconsin, and never arrived. Her undamaged white 2001 Pontiac Grand Am was found five days later in Grantsburg with the keys missing and no sign of foul play. Her husband cooperated with investigators and was not named as a suspect in coverage. The case remains unsolved.
Timeline
What the record establishes.
- Aug 21, 2009
Bly leaves her home on River Road around 7:30 p.m. for Cushing, telling her husband she will be home by midnight. She never arrives.
- Aug 26, 2009
Her undamaged white 2001 Pontiac Grand Am is found in a Grantsburg parking lot; the keys are missing and there is no evidence of foul play.
- Sep 2009
Her husband files for divorce; it is granted in 2010 with him receiving sole custody of the children.
- Aug 25, 2010
Sheriff Tim Moore gives a one-year update: extensive investigation, FBI Quantico review of the full file, no new evidence or directions.
- 2026
Bly has never been found. The case remains unsolved.
Key people
The people in the file.
21, of St. Croix Falls, Wisconsin. Mother of two toddlers. Left home August 21, 2009 to meet a cousin in Cushing and never arrived.
Husband. Cooperated with investigators and was not named as a suspect in coverage.
Contact details change over time; confirm the current assignee before publishing.
Investigating agency
Where tips go.
This case is with the Polk County Sheriff's Department. If you know something, say something to them. For public-record leads for our researchers, use the tip line on any open file.
Coverage
Coverage and further reading.
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