I was waiting.

I knew that at last Von der Herts realized the danger he was in.

I felt that if opportunity were offered he would attempt to escape from England; and then our proofs of his guilt would be unanswerable, despite his cleverness.

True enough, in the afternoon he secured the release of the countess, and together they started for the Continent.

I was lucky enough to get him at Dover--and glad to let the lady go on." And now, for the first time, the startling truth struck me full in the face as Hughes smiled down at his victim.
"Inspector Bray," he said, "or Von der Herts, as you choose, I arrest you on two counts: First, as the head of the Wilhelmstrasse spy system in England; second, as the murderer of Captain Fraser-Freer.