These empty kids’ bedrooms will break your heart

At 13, Gracie Muehlberger wrote a handful of hopeful letters to her future self. Her parents found them in her room, weeks after she was killed in a school shooting in California.

​ At 13, Gracie Muehlberger wrote a handful of hopeful letters to her future self. Her parents found them in her room, weeks after she was killed in a school shooting in California. Read More Breaking News, Latest News and Videos | CNN