Five years later, countless leads have still led to no answer for the friends and family of Brittany Zimmermann, the University of Wisconsin student who was murdered in her home.
However, it's not enough to stop them from working hard to keep her memory alive in hopes of continuing their healing process.
On April 2, 2008 Zimmermann, 21 years old at the time, was found dead in her Doty Street apartment. She was discovered by her fiance after a Dane County 911 dispatcher dropped her cell phone call for help.
Despite numerous tips and efforts to solve her murder, police have not identified her killer.
Five years after the crime, a new crop of students and neighbors do not know Zimmermann's story.
"I hear about the Brittany Run every year, but my sister's a freshman here, and I don't think she has a clue what it's even about," said UW senior McKenzie Kirkland, who lives near Zimmermann's former apartment on Doty Street.