There it was.

I gripped the lever, and--" Her great eyes stared with horror.

The knitting-needles stopped; a pallor swept across her face.

She felt as she did when she heard the court-martial sentence Carvillho Gonzales to death.
The mill-wheel sounded louder and louder in her ears.
"You let in the river!" she cried.

"You drove him into the wheel--you killed him!" "What else was there to do ?" he demanded.