Watch Active Shooter: America Under Fire live*

This documentary series takes an in-depth look at eight mass shootings in the U.S., from the Aurora, Colo., theater incident to the church shooting in Charleston, S.C., and the Pulse nightclub massacre in Orlando. Each episode focuses on one event, explores how it unfolded and examines the lasting impact on the community and the country at large. Interviews with survivors, families of the victims, and first responders capture the terror, sorrow, courage and determination born from the life-changing tragedies.