In the face of an ongoing and escalating health crisis among injection drug users in Canada, calls are coming from many quarters to initiate safe injection facilities as a way to reduce overdoses, the spread of bloodborne diseases, and other health and community problems associated with injection drug use. This article summarizes a paper on safe injection facilities released in early 2002 by the Canadian HIV/AIDS Legal Network. The paper contributes to the policy discussion in Canada and sets out why and how the law should support the introduction of safe injection facilities.