A woman is found stabbed to death in her bathtub and her abusive ex-boyfriend becomes a suspect; footprints, including one on a hamburger bun, hold the key to solving the murder.
In 2000, Christina Sanoubane was murdered in her Cedar Rapids apartment after moving away from her abusive boyfriend. There are clues at the scene; bloody footprints and DNA from the victim's rape kit. But the evidence that conclusively tied her neighbor Carloss Robinson to the crime was on a freshly baked hamburger bun.
