MUS-2026-0179
Archive card
MUS-2026-0179
Missing person
- Incident
- 2005
- Indexed
- Oct 10, 2026, by MuseUnsolved
- Agency
- Lincoln County Sheriff's Office
- Location
- Foley MO
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.
Bianca Piper, 13, was dropped off around 6:15 p.m. on March 10, 2005, on McIntosh Hill Road near Foley, Missouri, about a mile from home, for a therapeutic walk after a family argument. She never returned and her mother reported her missing at 8:20 p.m. An extensive search found no trace. The Lincoln County sheriff calls it a cold case with no named suspect; a new cold case unit formed in 2021 is giving it fresh eyes.
Timeline
What the record establishes.
- 2005
Bianca Piper, 13, is dropped off for a walk on March 10 and never returns.
- 2021
Lincoln County forms a new cold case unit to give the case fresh eyes.
- 2026
No suspect has been named and she has never been found.
Key people
The people in the file.
13, of Foley, Missouri. Last seen March 10, 2005, on McIntosh Hill Road.
Contact details change over time; confirm the current assignee before publishing.
Investigating agency
Where tips go.
This case is with the Lincoln County Sheriff's Office. 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.
Continue

