Columbia subject headings:
Murder--Psychological aspects--Brazil.
Murder--Social aspects--Brazil.
Social problems--Brazil.
Violence--Psychological aspects--Brazil.
Harvard subject headings:
Murder--Brazil--Psychological aspects.
Murder--Brazil.
Murder--Social aspects--Brazil.
Social problems--Brazil.
Violence--Brazil
Violence--Brazil--Psychological aspects.
Princeton subject headings:
Murder--Psychological aspects--Brazil.
Murder--Social aspects--Brazil.
Social problems--Brazil.
Violence--Psychological aspects--Brazil.