結果 : where do most mass shootings happened in america
2:02

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

BBC News
47,730 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
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
3:01

5 deadliest U.S. modern mass shootings

Washington Post
429,600 回視聴 - 7 年前
9:27

Why US gun laws get looser after mass shootings

Vox
1,379,799 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
1:29

US has more mass shootings than other nations

Scripps News
7,814 回視聴 - 7 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
21:56

EXTENDED INTERVIEW: Psychologist addresses trends surrounding mass shootings in America

12NewsNow
728 回視聴 - 2 年前
2:14

US Mass Shootings Explained

Sky News
23,493 回視聴 - 8 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
1:47

Americans blame these three things for why mass shootings keep happening

11Alive
594 回視聴 - 5 年前
3:41

America has had 201 mass shootings this year. And counting. Hear where they were

CNN
70,536 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
37:57

Deadly Mass Shootings in America- Part 1

CLHB Homeland Security Symposium Series
501 回視聴 - 2 年前
2:47

Are mass shootings accelerating in the US? Here's what we know | JUST THE FAQS

USA TODAY
1,458 回視聴 - 1 年前
10:17

How mass shootings fit into broader picture of gun violence in America

ABC News
14,179 回視聴 - 3 年前
1:28

Biden says mass shootings happen 'far too often' after MSU shooting | USA TODAY

USA TODAY
22,003 回視聴 - 1 年前
3:08

World Wonders Why America Is Rife With Mass Shootings

NBC News
91,538 回視聴 - 2 年前