This timely book comprehensively examines whether the worst human rights violations directed specifically at sexual and gender minorities are punishable under international criminal law, as codified in the Rome Statute of the International Criminal Court. Drawing on general rules of interpretation, the development of human rights for sexual and gender minorities, and the social construction of gender, this monograph reveals that the worst crimes committed against persons because of their sexual orientation or gender identity can amount to crimes against humanity, particularly the crime of persecution under Article 7(1)(h). It also shows how legislators can be held individually criminally responsible for passing laws that criminalize consensual