Detective Miller nodded once to the junior officer standing near the hallway arch.

“Hold Mr.

Christopher Winslow right there,” Detective Miller said.

The officer stepped in front of Christopher, blocking his way to the side door that led into the private study.

I took the blue ledger notebook out of the inside pocket of my coat and handed it across the edge of the bed to the detective.

“Every dose time is written down, starting from the second week of September,” I said.

“Along with the drug’s serial code from the box wrappers.”