For any additional search on public security data for a specific country, you may explore the following links used for the elaboration of the Inter-American Observatory on Security (OIS). 

By Country:
Sources of statistical data on public security of the OAS Member States Governmental Bodies in the OAS Member States
List of governmental bodies responsible for the publication of statistical data in the OAS Member States

Inter-American Institutions
Bodies and organizations of the Inter-American System responsible for the publication of statistical data on public security International Bodies
List of organizations that present statistical data on public security at the international level, including bodies and agencies of the United Nations. 

Academia and Research Centers
Universities and Research Centers publishing statistical information on public security of the OAS Member States 


NGOs
Non-Governmental Organizations responsible for the analysis and publication of information on public security