Columbia subject headings:
Harvard subject headings:
Brigada de Investigaciones de Tucumán.
Ferreyra, Mario Oscar, 1946-2008.
Fugitives from justice--Argentina.
Murderers--Argentina--Tucumán.
Police chiefs--Argentina--Tucumán.
Princeton subject headings:
Ferreyra, Mario Óscar, 1946-2008.
Police brutality--Argentina--Tucumán.
Police chiefs--Argentina--Tucumán--Biography.
Tucumán (Argentina)--History.