Man charged in 2008 killing of Wisconsin college student
Madison police said Friday that David Kahl was charged with first-degree intentional homicide, 12 years after 21-year-old Brittany Zimmermann was killed. Kahl is in custody on unrelated charges and doesn't a lawyer yet in the murder case.
Zimmermann was studying medical microbiology and immunology when she was killed.
At the time, police said she had just returned home from classes when someone followed her into her apartment.