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to the open gate, where the detective, Martin, stood watching us furtively.
"Nora," she said, without turning, "will you kindly walk six steps to your right?"
I knew better than to ask the reason for the request. With a shrug, I faced toward the house, and came to a pause at the end of the stipulated distance.
"Is Miss Noraker standing where Mr. Rennick's body was found, Senator?"
"She will strike the exact spot, I think, if she takes two steps more."
I had hardly obeyed the suggestion when I caught the swift rustle of skirts behind me. I whirled to see Madelyn's lithe form darting toward me with her right hand raised as though it held a weapon.
"Good!" she cried. "I call you to witness, Senator, that I was fully six feet away when she turned! Now I want you to take Miss Noraker's place. The instant you hear me behind you—the instant, mind you—I want you to let me know."
She walked back to the tree as the Senator reluctantly changed places with me. I could almost picture the murderess dashing upon her victim as Madelyn bent forward. The Senator turned his back to us with a rather ludicrous air of bewilderment.
My erratic friend had covered perhaps half of the