31st session: "Strengthening the use of digital evidence in criminal justice and countering cybercrime, including the abuse and exploitation of minors in illegal activities with the use of the Internet";
32nd session: "Enhancing the functioning of the criminal justice system to ensure access to justice and to realize a safe and secure society";
33rd session: "Promoting international cooperation and technical assistance to prevent and address organized crime, corruption, terrorism in all its forms and manifestations and other forms of crime, including in the areas of extradition, mutual legal assistance and asset recovery";
34th session: "Addressing new, emerging and evolving forms of crime, including crimes that affect the environment, smuggling of commercial goods and trafficking in cultural property and other crimes targeting cultural property".
29th session : "Effective measures to prevent and counter the smuggling of migrants, while protecting the rights of smuggled migrants, particularly women and children, and those of unaccompanied migrant children"
28th session : "The responsibility of effective, fair, humane and accountable criminal justice systems in preventing and countering crime motivated by intolerance or discrimination of any kind"
27th session : "Criminal justice responses to prevent and counter cybercrime in all its forms, including through the strengthening of cooperation at the national and international levels"
26th session : "Comprehensive and integrated crime prevention strategies: public participation, social policies and education in support of the rule of law"
25th session : "Criminal justice responses to prevent and counter terrorism in all its forms and manifestations, including the financing of terrorism, and technical assistance in support of the implementation of relevant international conventions and protocols"
24th session : "Follow-up to the Thirteenth United Nations Congress on Crime Prevention and Criminal Justice"
23rd session : "International cooperation in criminal matters"
22nd session : "The challenge posed by emerging forms of crime that have a significant impact on the environment and ways to deal with it effectively"
21st session : "Violence against migrants, migrant workers and their families"