"Mercy Doctor" Faces Arraignment - Dr. Hermann N. Sander, 40, and his wife on porch of their home today as the 40-year-old physician cancelled office appointments preparatory to arraignment tomorrow on a charge of murder in the "mercy killing" of a cancer patient. The youthful general practitioner was accused of injecting a fatal dose of air into the veins of 59-year-old Mrs. Abbie Borroto last Dec. 4. January 04, 1950. (Photo by AP Wirephoto).