Do you know who killed Keiryo and Midori Mizuno in 1998? On November 4, 1998, Keiryo Mizuno, along with his wife Midori Mizuno, tragically lost their lives in Daly City, California, as a result of a deliberate fire set by an unknown arsonist. The fire engulfed the large multi-unit apartment building located on Poncetta Drive, where the couple lived in unit #230. Overwhelmed by the heavy smoke, both Keiryo and Midori were unable to escape in time and died from smoke inhalation before rescuers could reach them.
The case remains unsolved, and despite investigations, no arrests have been made in connection with the arson. The deaths of the Mizuno couple have remained a somber reminder of the unsolved crimes in Daly City, where law enforcement has periodically reexamined cold cases in the hopes of finding new leads or utilizing advancements in forensic technology to bring justice for the victims.