Recent U.S. mass shootings: A timeline - Los Angeles Times
Mayhem inside': Texas shooting shows challenge of protecting malls - ABC News
Police: 19-year-old killed in shooting at Mall of America
Indiana shooting: Shooter kills three in Indiana mall before being shot dead by armed bystander
1 year later: Greenwood Mall mass shooting that left 3 dead
Police identify Good Samaritan who stopped Indiana mall shooting - CBS News
Armed bystander shot and killed mall shooter in 15 seconds
Texas mall mass shooting victims identified
Gunman kills three in Indiana mall before being shot by armed bystander
Police: Indiana mall gunman fired 24 times in 15 seconds
Highland Park parade shooting: What we know as of Tuesday : NPR