What is transnational crime? -- What is transnational criminal law? -- Piracy and modern maritime safety offences -- Slave trading, human trafficking, and migrant smuggling -- Drug trafficking -- Terrorism -- Transnational organised crime -- Corruption -- Money laundering -- Emerging transnational crimes -- General principles of transnational crimes and punishments -- Jurisdication over transnational crime -- International law enforcement cooperation -- Law enforcement cooperation on the high seas -- Law enforcement cooperation through anti-money laundering and countering the financing of terrorism -- Legal assistance -- Extradition of transnational criminals -- Asset recovery -- Trends in transnational criminal procedure -- Institutions -- Implementation and compliance -- Transnational criminal law : some reflections