Joshua Brown answers questions from prosecutors while pointing to a map of the South Side Flats apartment complex during the murder trial of former Dallas police officer Amber Guyger. Ten days after his testimony, Brown was found shot to death.

Joshua Brown answers questions from prosecutors while pointing to a map of the South Side Flats apartment complex during the murder trial of former Dallas police officer Amber Guyger. Ten days after his testimony, Brown was found shot to death.