13 things about University of Wisconsin-Madison student Brittany Zimmermann 

Brittany Sue Zimmermann was an American woman attending the University of Wisconsin–Madison in Madison, Dane County, Wisconsin, United States. Born in Marshfield, Wood County, Wisconsin to Kevin Zimmermann and Jean Zimmermann, Brittany is Ben Zimmermann and Geraldine Zimmermann‘s granddaughter and Kimberly Heeg‘s niece.

BIOGRAPHY

Brittany attended Grant Elementary in Marshfield, Madison Elementary School in Madison and Marshfield Junior High School in Marshfield. Here are 13 more things about her:

1. She loved cats and Japanese anime.
2. She enjoyed baking, cooking, eating at different restaurants and fishing with her father.
3. She aspired to work for the Centers for Disease Control and Prevention.
4. She planned to get a doctorate in infectious disease and fight diseases that attack the lungs.
5. She had three kittens namely Boo, Felix and Marv.
6. She was 1 year younger than Jordan Gonnering, her childhood friend who became her boyfriend.
7. She was 21 years younger than David A. Kahl of Madison.
8. In 2005, she graduated from Marshfield Senior High School in Marshfield.
9. In 2006, she entered the University of Wisconsin–Madison to pursue a bachelor’s degree in medical microbiology and immunology.
10. In 2007, she and Gonnering got engaged. While they were both attending the University of Wisconsin–Madison, they shared an apartment in Madison with her three cats.
11. On November 15, 2007, she turned 21.
12. At around 11:30 a.m. on April 2, 2008, she waved goodbye to Gonnering, left the University of Wisconsin–Madison campus and walked home. Inside her apartment in Madison, she was killed by Kahl . At around 1:00 p.m., Gonnering returned from class and found her fatally stabbed inside the apartment.
13. She and Gonnering planned to get married in Hawaii, USA in 2009.

TIMELINE

2020

• On March 20, 2020, Kahl was arrested for her murder.

2022

• On October 27, 2022, Kahl pleaded guilty to killing her.

2023

• On January 12, 2023, Kahl was sentenced to life in prison without parole.

2025

• On March 28, 2025, Kahl turned 59.