Columbia subject headings:
Harvard subject headings:
Chagra family.
Crime--Texas--El Paso--Case studies.
Criminals--Texas--El Paso.
Lawyers--Texas--El Paso.
Murder--Texas--El Paso--Case studies.
Smuggling--Texas--El Paso--Case studies.
Princeton subject headings:
Crime--Texas--El Paso--Case studies.
Murder--Texas--El Paso--Case studies.
Smuggling--Texas--El Paso--Case studies.