Gangs and organized crime
72
67
84
Drugs
58
51
72
Mental illness
47
49
50
Decline in morality
47
37
60
Leniency in the criminal-justice system
44
42
59
Bad parenting
44
48
51
Societal division
36
50
27
The gun lobby
36
68
14
Social media
30
35
33
Too many guns owners
30
50
15
Gun manufacturers
28
52
11
Violence in video games
27
29
36
Masculinity
22
37
11
The Second Amendment
17
35
5
Not enough guns owners
8
9
12
Note: Responses of "blame a little," "don't blame at all," and "not sure" are not shown.