結果 : when do most mass shootings occur
2:02

Why are mass shootings on the rise in the US? - BBC News

BBC News
47,732 回視聴 - 1 年前
0:59

#US vs. UK mass #shootings

MSNBC
408,832 回視聴 - 1 年前
3:24

Why are there so many mass shootings this year?

NBC News
129,968 回視聴 - 1 年前
21:56

EXTENDED INTERVIEW: Psychologist addresses trends surrounding mass shootings in America

12NewsNow
728 回視聴 - 2 年前
1:41

Experts share research on mass shootings, how to stop them

WBAL-TV 11 Baltimore
584 回視聴 - 1 年前
2:36

Deadliest mass shootings in recent US history

ABC News
242,116 回視聴 - 2 年前
9:27

Why US gun laws get looser after mass shootings

Vox
1,379,799 回視聴 - 2 年前
3:13

Do More Mass shootings Happen in "Gun-Free" Zones? - AZ Fact Check

azcentral.com and The Arizona Republic
5,375 回視聴 - 5 年前
2:12

Mass Shootings in the United States: 'This Is Who We Are'

The Atlantic
52,884 回視聴 - 7 年前
4:45

How Mass Shootings Are Contagious

Seeker
81,112 回視聴 - 9 年前
1:29

US has more mass shootings than other nations

Scripps News
7,814 回視聴 - 7 年前
6:15

Can Mass Shootings Be Prevented? | Clarified | Very Local

Very Local
7,119 回視聴 - 2 年前
2:52

Why Mass Shootings Keep Happening In The U.S. | AJ+

AJ+
31,668 回視聴 - 7 年前
3:59

'Disturbed young men': More 'holistic' approach needed to prevent mass shootings

Sky News Australia
2,724 回視聴 - 2 年前
1:25

10 Deadliest mass shootings in modern US history - ABC15 Digital

ABC15 Arizona
454 回視聴 - 5 年前
37:57

Deadly Mass Shootings in America- Part 1

CLHB Homeland Security Symposium Series
501 回視聴 - 2 年前
1:44

By the Numbers: Legally purchased guns and mass shootings | ABCNL

ABC News
2,735 回視聴 - 2 年前
1:03

Data says most firearm deaths don't happen during mass shootings

FOX 2 St. Louis
617 回視聴 - 2 年前
8:20

Why the U.S. has done almost nothing to stop mass shootings

PBS NewsHour
10,428 回視聴 - 9 年前
1:47

Americans blame these three things for why mass shootings keep happening

11Alive
594 回視聴 - 5 年前