Mateo Ruiz, a line cook at The Grand Bell, called Elena after midnight.

He had resigned that afternoon, and he sounded frightened.

“I saw Dennis go into the office after the ambulance left,” he said.

“He took a drive from the camera unit.

I know because the system was still on, and he told me to unplug it.”

Elena put him on speaker so I could hear.

“Did you see what was on it?” I asked.

“No.