Between whom?
How?
There was suddenly a piercing shriek.

The Inspector turned quickly around.
Mrs.Rheinholdt, who had disregarded his advice, was standing on the threshold.
"Inspector!" she cried.

"What has happened?
Oh, my God!" She covered her face with her hands.

French gripped her by the arm.

At that moment there was the sound of an automobile stopping outside.
"Keep quiet for a moment," the Inspector whispered in her ear.