OZAUKEE COUNTY -- Tuesday, December 15th marks the 31 year anniversary of the sexual assault and murder of 18-year-old Traci Hammerberg.
Hammerberg's partially nude body was found in a rural driveway in the Town of Grafton on December 15th, 1984.
After years of investigating and hundreds of people tested and interviewed, the person(s) responsible for her death have never been located.
Ozaukee County Sheriff's officials say a $5,000 reward for information leading to the identification of the individual(s) responsible for Hammerberg's death is being offered.
Sheriff's officials said this on Facebook on the 31 year anniversary of Hammerberg's death:
You can contact Ozaukee County Sheriff's officials at (262) 284-7172.
Tips can be submitted anonymously by texting OZSO plus your tip to 847411.
Below, you'll see a story by the FOX6 investigators just after the 25 year anniversary of Hammerberg's death:
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Traci Hammerberg
Traci Hammerberg