He strolled towards her with a kind of indifferent benignity with which Providence has also been credited.

He raised a hand, omnipotent with the authority of the law.

"Better get away from here," Charles heard him warn her, and she disappeared from view in obedience to this command.
So did Charles, but in quite another direction.

There was something about these chance manifestations of authority, so lightly exercised, so unhesitatingly obeyed, which never failed to thrill and impress him, as they would have thrilled and impressed any other man in his present position.

They seemed to intensify the hopelessness of his own situation.
He had a slight feeling of creepiness about the spine as he thought of the narrowness of that escape--though, of course, the policeman might not have identified him.