Multiple knives

"The wizard's mine!" Parker howled, and threw himself at Marcone. Marcone moved like a snake in his zillion-dollar business suit and made a curved knife appear in his hands. He swept it in an arc that was followed by a spray of blood from Parker's wrist, and the lycanthrope howled.

Fool Moon Chapter 23, Page 272


"Do you still keep that knife on you? The one I saw at the garage?"
"Denton and his associates searched me and found it, I am afraid," came Marcone's voice.
"Dammit all. You're a miserable, stupid bastard for making a deal with Denton, Marcone. Now do you believe he wanted to kill you all along?"
The figure above me wiggled and writhed, swinging from the ropes that held him trussed up there. "Yes, do tell me that you told me so with your last breath, Mr. Dresden. I was already rather acutely aware of that," Marcone said, his voice dry. "But perhaps I'll yet have a chance to make amends."
"What are you doing?" I asked. I kept my eyes on the loup-garou, as it circled the pit, and kept myself opposite the creature, where I could see it.
"Reaching for the knife they didn't find," Marcone replied. He grunted, and then I saw a flicker of light on something shiny up above me.

Fool Moon Chapter 32, Page 365-366