It was Vance who rose and, with quick decision, assumed the rôle of spokesman.
“Yes, doctor. Ada has been poisoned with morphine. Doctor Drumm here happened to be in the Narcoss Flats opposite and was called in.”
“And Sibella—is she all right?” Von Blon spoke excitedly.
“Oh, quite.”
A relieved sigh escaped him, and he sank into a chair.
“Tell me about it. When was the—the murder discovered?”
Drumm was about to correct him when Vance said quickly:
“Immediately after you left the house this morning. The poison was administered in the bouillon the nurse brought from the kitchen.”
“But . . . how could that be?” Von Blon appeared unbelieving. “I was just going when she brought the bouillon. I saw her enter with it. How could the poison——?”
“That reminds me, doctor.” Vance’s tone was almost dulcet. “Did you, by any hap, go up-stairs again after you had donned your coat?”