There was a strange look in his eyes.

If he should kill Westcott, the law would not hold him accountable.

Nobody would be accountable, and Katy would be saved.
But in a moment Albert's better feeling was uppermost.

The horribleness of murder came distinctly before him.

He shuddered that he should have entertained the thought of suffering it.
"You see, Mr.Charlton," said Gray, with eyes having that strange mysterious look that only belongs to the eyes of people who are at least on the borders of insanity, "you see this 'ere pistol's got five bar'ls, all loadened.