In the United States, there is an active shooter incident every 12 days. In Memoriam shows the wrenching perspective of wounded survivors, grieving relatives, and heroes of the horrific attacks at the Las Vegas Route 91 Harvest Music Festival, the Sutherland Springs Baptist Church in Texas, and the Marjory Stoneman Douglas High School in Parkland, Florida.

Ce synopsis est en anglais : nous ne l'avons pas encore traduit.