Which types of law enforcement agencies typically participate in ILEA programs?

ILEA programs are designed to promote international cooperation and professional development among law enforcement agencies from different countries. The emphasis on global collaboration means that a diverse array of agencies comes together, focusing on crime prevention and investigative techniques that are beneficial in a variety of contexts. This approach allows for the sharing of best practices and experiences, enhancing the effectiveness of law enforcement efforts across borders.

By including agencies from various countries, the ILEA programs ensure a comprehensive understanding of international crime trends and foster relationships that can lead to better coordination in addressing cross-border criminal activities. This is crucial in today's interconnected world, where crime often transcends national boundaries.

The other options present a more limited scope of participation that does not align with the inclusive and collaborative ethos of the ILEA programs. Federal agencies from the United States, local police departments from major cities, and private security firms and consultants do not capture the international and varied nature of the law enforcement agencies that ILEA aims to involve. Thus, the correct answer reflects the program's goal of uniting diverse law enforcement entities to effectively tackle global challenges in crime and security.