School Shooting Survivor Develops App That Seeks to Help People Heal

Kai Koerber was a junior at Marjory Stoneman Douglas High School when a gunman killed 14 students and three staff members there on Valentine's Day in 2018.

Seeing his peers - and himself - struggle with returning to normal, he wanted to do something to help people manage their emotions on their own terms.

While some of his classmates at the Parkland, Florida, school have worked on advocating for gun control