Muller knew then that Thorne had not yet learned of the arrest of Johann Knoll. At the very earliest, Thursday’s papers, which brought the news, could not reach him before Friday morning. But these newspapers (Muller saw that they were German papers) were still in their wrappings. They were probably Viennese papers for which he had telegraphed and which had just arrived. His anxiety had not allowed him to read them in the presence of his wife. He had sought the solitude of early morning on the Lido, that he might learn, unobserved, what terrors fate had in store for him.
It was doubtless Mrs. Bernauer’s telegram which caused his present anxiety, a telegram which had reached him only the night before when he returned with his wife from an excursion to Torcello. It had caused him a sleepless night, for it had brought the realisation that his faithful nurse suspected the truth about the murder in the quiet lane. The telegram had read as follows: “Have drawn money and send it at once. Further journey probably necessary, visitor in house to-day. Connected with occurrence in — Street. Please read Viennese papers. News and orders for me please send to address A.B. General Postoffice.”
This telegram told Herbert Thorne the truth. And the papers which arrived this morning were to tell him more—what he did not yet know. But his heart was drawn with terrors which threw lines in his face and made him look ten years older than on that Tuesday morning when the detective saw him setting out on his journey with his wife.
When the boat landed at the Lido, Thorne walked off down the road which led to the ocean side. Muller and Mrs. Bernauer entered the waiting tramway that took them in the same direction. They dismounted in front of the bathing establishment, stepped behind a group of bushes and waited there for Thorne. In about ten minutes they saw his tall figure passing on the other side of the road. He was walking down to the beach, holding the still unopened papers in his hand.
A narrow strip of park runs along parallel to the beach in the direction towards Mala Mocco. Muller and Mrs Bernauer walked along through this park on the path which was nearest the water. The detective watched the rapidly moving figure ahead of them, while the woman’s tear-dimmed eyes veiled everything else to her but the path along which her weary feet hastened. Thorne halted about half way between the bathing establishment and the customs barracks, looked around to see if he were alone and threw himself down on the sand.
He had chosen a good place. To the right and to the left were high sand dunes, before him was the broad surface of the ocean, and at his back was rising ground, bare sand with here and there a scraggly bush or a group of high thistles. Herbert Thorne believed himself to be alone here... as far as a man can be alone over whom hangs the shadow of a crime. He groaned aloud and hid his pale face in his hands.
In his own distress he did not hear the deep sigh—which, just above him on the edge of the knoll, broke from the breast of a woman who was suffering scarcely less than he; he did not know that two pair of sad eyes looked down upon him. And now into the eyes of the watching woman there shot a gleam of terror. For Herbert Thorne had taken a revolver from his pocket and laid it quietly beside him. Then he took out a notebook and a pencil and placed them beside the weapon. Then slowly, reluctantly, he opened one of the papers.
A light breeze from the shining sea before him carried off the wrapping. The paper which he opened shook in his trembling hands, as his eyes sought the reports of the murder. He gave a sudden start and a tremor ran through his frame. He had come to the spot which told of the arrest of another man, who was under shadow of punishment for the crime which he himself had committed. When he had read this report through, he turned to the other papers. He was quite calm now, outwardly calm at least.
When he had finished reading the papers he laid them in a heap beside him and reached out for his notebook. As he opened it the two watchers saw that between its first pages there was a sealed and addressed letter. Two other envelopes were contained in the notebook, envelopes which were also addressed although still open. Muller’s sharp eyes could read the addresses as Thorne took them up in turn, looking long at each of them. One envelope was addressed in Italian to the Chief of Police of Venice, the other to the Chief of Police in Vienna.
The two watchers leaned forward, scarcely three yards above the man in whom they were interested. Thorne tore out two leaves of his notebook and wrote several lines on each of them. One note, he placed in the envelope addressed to the Viennese police and sealed it carefully. Then he put the sealed letter with the second note in the other envelope, the one addressed to the Italian police. He put all the letters back in his notebook, holding it together with a rubber strap, and replaced it in his pocket.