In the past two decades, we have witnessed a "sea change in public, medical, and legislative judgments" about "letting die" and the "right to die." But it is no less true today than it was 35 years ago, when I first wrote about this subject, that in Anglo-American jurisprudence active euthanasia (what used to be called "mercy killing") is murder.
Kamisar, Yale. "Active v. Passive Euthanasia: Why Keep the Distinction?" Trial 29, no. 3 (1993): 32-4, 36-8.