Quotes From: ASEAN Plan of Action Against Trafficking in Persons, Especially Women and Children

C. Law Enforcement and Prosecution of Crimes of Trafficking in Persons
b. Develop pro-active investigation methods and where appropriate, to conduct surveillance and other pro-active measures to gather evidence to establish a case to prosecute trafficking in persons cases even without the testimony of victims;
c. Enhance efforts to investigate alleged cases of trafficking in persons, strengthen the means to combat trafficking, prosecute the perpetrators, including through more systematic use of freezing assets for the purpose of eventual confiscation in accordance with the provisions of Article 17 of the ACTIP, and ensure that penalties are proportionate to the gravity of the crime;
e. Prosecute crimes of trafficking in persons that encompass all forms of exploitation and enact, enforce and strengthen legislation that criminalises all forms of trafficking in persons, especially women and children;
f. Combat and prosecute organised criminal groups engaged in trafficking in persons, in accordance with domestic laws;
g. Investigate, prosecute and punish corrupt public officials who engage in or facilitate trafficking in persons and promote a zero-tolerance policy against those corrupt officials consistent with the United Nations Convention against Corruption and the United Nations Convention against Transnational Organised Crime;

ASEAN Convention Against Trafficking in Persons, Especially Women and Children, (ACTIP) of 2015, Association of Southeast Asian Nations (ASEAN)