Mass shootings

Police confirm multiple fatalities in Walmart shooting. Video, 00:00:58Police confirm multiple fatalities in Walmart shooting

Gunman kills six at Walmart store in Virginia

Colorado man tells of subduing nightclub gunman. Video, 00:01:31Colorado man tells of subduing nightclub gunman

US club attack ended by dad and show performer

Suspect held after 5 killed at Colorado gay club

Football players shot dead at University of Virginia

Parkland families address killer at sentencing

Why the Parkland gunman was spared the death penalty

Families devastated as Parkland gunman spared death

'I hope he lives in fear every day in prison' Video, 00:02:06'I hope he lives in fear every day in prison'

Parkland parent: 'Today's ruling a gut punch' Video, 00:01:04Parkland parent: 'Today's ruling a gut punch'

As it happened: Verdict reached in Parkland gunman's death penalty trial

Distraught witnesses describe nursery attack horror

Can warning signs stop a mass shooting?

Faith 'dwindling' in Canada mass shooting inquiry

Gunman kills 11 after family dispute in Montenegro

US gun control proposals given cautious welcome

Texas police chief defends mass shooting response

McConaughey brings dead girl's shoes to White House. Video, 00:01:33McConaughey brings dead girl's shoes to White House

Buffalo shooting suspect charged with terrorism

Murray angry & 'incredibly upset' by Texas shooting

Texas shooting response was wrong, says official. Video, 00:01:41Texas shooting response was wrong, says official

Husband of killed teacher visits memorial in Uvalde. Video, 00:00:25Husband of killed teacher visits memorial in Uvalde