When Roger Kusch helped Bettina Schardt kill herself at home on Saturday, the grim, carefully choreographed ritual was like that in many cases of assisted suicide, with one exception.

Ms. Schardt, 79, a retired X-ray technician from the Bavarian city of Würzburg, was neither sick nor dying. She simply did not want to move into a nursing home, and rather than face that prospect, she asked Mr. Kusch, a prominent German campaigner for assisted suicide, for a way out. Her last words, after swallowing a deadly cocktail of the antimalaria drug chloroquine and the sedative diazepam, were “auf Wiedersehen,” Mr. Kusch recounted at a news conference on Monday. (more…)