Columbia subject headings:
Political violence--Mexico.
Prison violence--Mexico.
Violence in mass media.
Violence--Mexico.
Violence--Philosophy.
Violent crimes--Mexico.
Youth and violence--Mexico.
Harvard subject headings:
Political violence--Mexico.
Prison violence--Mexico.
Violence in mass media
Violence--Mexico
Violence--Philosophy
Violent crimes--Mexico.
Youth and violence--Mexico.
Princeton subject headings:
Social sciences--Philosophy.
Violence.