Complex sentence: Transnational organized crime (TOC or transnational crime) is organized crime coordinated across national borders, involving groups or networks of individuals working in more than one country to plan and execute illegal business ventures.
Split into simpler sentences: Transnational organized crime (TOC or transnational crime) is organized crime coordinated across national borders. A TOC involves groups or networks of individuals working in more than one country to plan and execute illegal business ventures.