Scenes from the Mall in Columbia shooting

Public returns after Columbia mall shooting

Social video captures scene from Ferguson shooting

SWAT team moves toward Mall in Columbia

One killed in Prince George's County officer-involved shooting

Officer charged with murder after shooting unarmed black teen in Dallas suburb

Protesters gather at spot of Alton Sterling's fatal shooting

Experts analyze footage of police shooting in North Miami

Pentagon officials present recommendations based on Navy Yard shooting

Here's how Trump and Clinton responded to the Orlando shooting

'Terribly devastating' police shooting of Donnell Thompson leaves family asking why

GMU's shooting club is right on target

Facebook Live captures Chicago shooting that killed toddler

What we know about the Baton Rouge shooting

Shooting witness shares story

The shooting death of 27-year-old Seth Rich rattles NW D.C. neighborhood

'Ambush-style' shooting kills two police officers in Iowa. Here's what you need to know.

Here’s what we know so far about the Dallas shooting

What we know about the fatal police shooting of Terrence Sterling

How the Navy Yard shooting unfolded

Republicans criticize Donald Trump's response to Orlando shooting