Controversial facility works to curb H.I.V. spread

Aired: 4/11/2014 | 0:10:02 | Clip
British Columbia has successfully stemmed an epidemic of AIDS in one of the hardest to reach populations: intravenous drug addicts. Correspondent William Brangham examines the ways that medical professionals are taking on the spread of H.I.V, including a look inside a controversial facility where nurses help drug addicts inject illegal drugs.