This article explores the backdrop of the engagement between the International Community (IC) and the Government of Sri Lanka (GoSL) over the conduct of the military during the last stages of its engagement with the secessionist Tamil militants which (especially from January to May 2009) led to a humanitarian crisis. The efforts of the IC to persuade the GoSL to halt the military operations and the Liberation Tigers of Tamil Eelam (LTTE) to concede defeat, to ensure human security, were a failure.