The aim of this toolkit is to provide comprehensive guidance for assessing the criminal justice response to trafficking in persons in a given State. The toolkit contains a number of components that are crucial for curtailing the crime of trafficking in persons. Due to the fact that this crime has multiple layers, the toolkit broadens the scope of traditional criminal justice responses by including all relevant actors and measures involved in appropriately prosecuting the perpetrators and adequately assisting the victims of trafficking in persons. This is the original version in English. This publication is also available in: Chinese and RussianMore information about human trafficking on the website of UNODC.