Columbia subject headings:
Criminal behavior, Prediction of.
Criminal behavior--Puerto Rico.
Prisoners--Puerto Rico.
Violence--Puerto Rico--Forecasting.
Harvard subject headings:
Crime--Puerto Rico--Psychological aspects.
Crime--Puerto Rico.
Criminal behavior, Prediction of.
Criminal behavior--Puerto Rico.
Criminals--Puerto Rico--Psychological aspects.
Criminals--Social aspects--Puerto Rico.
Prisoners--Puerto Rico.
Violence--Puerto Rico--Forecasting.
Violence--Puerto Rico--Psychological aspects.
Violence--Research--Puerto Rico.
Violence--Social aspects--Puerto Rico.
Princeton subject headings: