Remington Arms Co. sold and marketed the semi automatic weapon used in the 2012 mass shooting that left 26 dead.

It's been one year since the Tree of Life synagogue shooting—here's how the Pittsburgh community has rallied in the face of tragedy and  anti-Semitism.

At least two people were killed after a gunman opened fire near a synagogue in Germany on Yom Kippur, the holiest Jewish holiday.

After surviving the horrific Las Vegas shooting two years ago, this woman helps others learn to save lives in a crisis.

This trauma surgeon gave a chilling testimony on the impact of assault rifles after treating El Paso, Texas Walmart shooting victims.

Watch this mass shooting survivor confront the gun enthusiast who represents her district in the state senate.

Kirsten Gillibrand directly called out her Republican colleagues in this heated plea for gun reform.

Michael Bennet ripped into Moscow Mitch for hiding behind Trump on gun reform.

Nicole Hockley lost her son in the Sandy Hook school shooting.

A fashion label made school shooting-themed sweatshirts—and now the founders are facing serious backlash.

Sandy Hook Promise has released this harrowing PSA in time for back-to-school.

These 2020 candidates teamed up with Gabby Giffords to take a stand against gun violence in a powerful ad.