“He’s getting desperate,” Daniel said.

“When he realizes you have the original patents, he’ll panic.”

“Let him panic.”

I touched the brass key in my pocket.

I thought about the unsigned tax waiver sitting in the desk drawer.

Aaron thought he was one signature away from walking off with an empire.

He did not know I held the physical deed to the house he lived in.

And he did not know his entire legacy was built on stolen math.