S1, EP8 "Columbine, Colorado"
An exploration of the 1999 attack at a high school in Littleton, Colo., and the myths that may have inspired the active shooter phenomenon.
S1, EP7 "Oak Creek, Wisconsin"
A white supremacist's deadly attack on a Sikh temple in Oak Creek, Wisconsin and the heroic response by local police, transforms a community.
S1, EP6 "Santa Monica, California"
A shooter's violent path through Santa Monica, Calif., leads to a deadly confrontation on a college campus; an examination of the shooter's mental health.
S1, EP5 "Orlando, Florida"
A community is left devastated and traumatized by the shooting at Pulse Nightclub.
S1, EP4 "Washington, D.C."
Stories of loss and heroism during the 2013 shooting at the Washington Navy Yard; the shooter's sister recounts her brother's descent into violence.
S1, EP3 "Charleston, South Carolina"
The city of Charleston, South Carolina is ripped apart by a shooting at a historic church; in the aftermath, the community is divided by the idea of forgiveness.
S1, EP2 "San Bernardino, California"
The 2015 shooting in San Bernardino, Calif. brings out a massive response from law enforcement, while a shocked community responds to homegrown terrorism.
S1, EP1 "Aurora, Colorado"
Survivors and first responders recount the 2012 movie theater shooting in Aurora, Colo.; a grieving family challenges the media.