“Yes.”

“You say you saw this man coming out of a certain house. Can you recognize the house again?”

“Yes.”

“Well, as a matter of form, I will accompany you there.”

Hellier hesitated a moment, then he conquered his sense of pique and turned in the direction of Hammersmith.

They walked, scarcely exchanging a word. Freyberger’s mind was filled with anxiety, expectancy and a sense of deep irritation.

There was something exasperating to him about Hellier. This outsider had already cast so much light on the case; was it destined that he should cast more?

“This is the house,” said Hellier, when they had reached the place.

“Empty,” replied Freyberger, looking over the railings.

It was the only detached residence in the road, all the other houses were semi-detached.