Introduction to the Guide Objectives I n 2015 the Association for the Prevention of Torture (APT) convened an international symposium dedicated to addressing the vulnerabilities of lesbian, gay, bisexual, and transgender (LGBT) persons in detention, which gathered detention monitors, as well as non-governmental organizations (NGOs) and experts on LGBTI issues. The participants came to the conclusion that there was “a glaring lack of standards or guidelines at the international level on the management and care of LGBT persons in detention, notably with respect to safeguards against discrimination and abuse”. Participants further agreed that this made their monitoring task particularly difficult and concluded that “[i]n the absence of such standards, a first step would be to develop guidelines designed to help monitoring bodies refine their detention visit practices and better prepare their recommendations to the authorities1”. The United Nations (UN) Office of the High Commissioner for Human Rights (OHCHR) also acknowledged that “there is no clear guidance on appropriate and non-discriminatory measures required to effectively protect them from violence in detention settings without placing them in de facto isolation or restricting their participation in activities and access to services2”. The primary objective of this guide is therefore to contribute to filling this gap. Over the past two decades, the APT has developed a variety of to1 See Jean-Jacques Gautier NPM Symposium, Addressing vulnerabilities of LGBT persons in detention, 2016, p. 31. 2 Living free and equal. What States are doing to tackle violence and discrimination against LGBT and I people, New York and Geneva, Office of the High Commissioner for Human Rights, 2016, p. 41.