Thunder Bay City Police have released a new video marking the 25th anniversary of Sandra Johnson's death.
The 18-year-old from Seine River was found February 13, 1992 on the frozen surface of the Neebing-McIntyre Floodway.
Detective Constable Sean Verescak says they believe somebody has information about how she died.
Johnson's sister Sharon says they family is seeking closure and hopes someone comes forward that help solve her sister's death.
Verescak says if anyone wants to share information with them they can contact Crimestoppers or their tip line.