"You think, then," put in Markham, "that Rex really heard the shot in Ada's room that first night, and confided in her?"
"Undoubtedly. That part of her story was true enough. I'm inclined to think that Rex heard the shot and had a vague idea Mrs. Greene had fired it. Being rather close to his mother temperamentally, he said nothing. Later he voiced his suspicions to Ada; and that confession gave her the idea for killing him—or, rather, for perfecting the technique she had already decided on; for Rex would have been shot through the secret cupboard in any event. But Ada now saw a way of establishing a perfect alibi for the occasion; although even her idea of being actually with the police when the shot was fired was not original. In Gross's chapter on alibis there is much suggestive material along that line."
Heath sucked his teeth wonderingly.
"I'm glad I don't run across many of her kind," he remarked.
"She was her father's daughter," said Vance. "But too much credit should not be given to her, Sergeant. She had a printed and diagrammed guide for everything. There was little for her to do but follow instructions and keep her head. And as for Rex's murder, don't forget that, although she was actually in Mr. Markham's office at the time of the shooting, she personally engineered the entire coup. Think back. She refused to let either you or Mr. Markham come to the house, and insisted upon visiting the office. Once there, she told her story and suggested that Rex be summoned immediately. She even went so far as to plead with us to call him by phone. Then, when we had complied, she quickly informed us of the mysterious diagram, and offered to tell Rex exactly where she had hidden it, so he could bring it with him. And we sat there calmly, listening to her send Rex to his death! Her actions at the Stock Exchange should have given me a hint; but I confess I was particularly blind that morning. She was in a state of high nervous excitement; and when she broke down and sobbed on Mr. Markham's desk after he had told her of Rex's death, her tears were quite real—only, they were not for Rex; they were the reaction from that hour of terrific tension."
"I begin to understand why no one upstairs heard the shot," said Markham. "The revolver detonating in the wall, as it were, would have been almost completely muffled, But why should Sproot have heard it so distinctly downstairs?"
"You remember there was a fire-place in the living-room directly beneath Ada's—Chester once told us it was rarely lighted because it wouldn't draw properly—and Sproot was in the butler's pantry just beyond. The sound of the report went downward through the flue and, as a result, was heard plainly on the lower floor."
"You said a minute ago, Mr. Vance," argued Heath, "that Rex maybe suspected the old lady. Then why should he have accused Von Blon the way he did that day he had a fit?"
"The accusation primarily, I think, was a sort of instinctive effort to drive the idea of Mrs. Greene's guilt from his own mind. Then, again, as Von Blon explained, Rex was frightened after you had questioned him about the revolver, and wanted to divert suspicion from himself."
"Get on with the story of Ada's plot, Vance." This time it was Markham who was impatient.
"The rest seems pretty obvious, don't y' know. It was unquestionably Ada who was listening at the library door the afternoon we were there. She realized we had found the books and galoshes; and she had to think fast. So, when we came out, she told us the dramatic yarn of having seen her mother walking, which was sheer moonshine. She had run across those books on paralysis, d' ye see, and they had suggested to her the possibility of focusing suspicion on Mrs. Greene—the chief object of her hate. It is probably true, as Von Blon said, that the two books do not deal with actual hysterical paralysis and somnambulism, but they no doubt contain references to these types of paralysis. I rather think Ada had intended all along to kill the old lady last and have it appear as the suicide of the murderer. But the proposed examination by Oppenheimer changed all that. She learned of the examination when she heard Von Blon apprise Mrs. Greene of it on his morning visit; and, having told us of that mythical midnight promenade, she couldn't delay matters any longer. The old lady had to die—before Oppenheimer arrived. And half an hour later Ada took the morphine. She feared to give Mrs. Greene the strychnine at once lest it appear suspicious..."
"That's where those books on poisons come in, isn't it, Mr. Vance?" interjected Heath. "When Ada had decided to use poison on some of the family, she got all the dope she needed on the subject outa the library."
"Precisely. She herself took just enough morphine to render her unconscious-probably about two grains. And to make sure she would get immediate assistance she devised the simple trick of having Sibella's dog appear to give the alarm. Incidentally, this trick cast suspicion on Sibella. After Ada had swallowed the morphine, she merely waited until she began to feel drowsy, pulled the bell-cord, caught the tassel in the dog's teeth, and lay back. She counterfeited a good deal of her illness; but Drumm couldn't have detected her malingering even if he had been as great a doctor as he wanted us to believe; for the symptoms for all doses of morphine taken by mouth are practically the same during the first half-hour. And, once she was on her feet, she had only to watch for an opportunity of giving the strychnine to Mrs. Greene..."
"It all seems too cold-blooded to be real," murmured Markham.
"And yet there has been any number of precedents for Ada's actions. Do you recall the mass murders of those three nurses, Madame Jegado, Frau Zwanzigger, and Vrouw Van der Linden? And there was Mrs. Belle Gunness, the female Bluebeard; and Amelia Elizabeth Dyer, the Reading baby-farmer; and Mrs. Pearcey. Cold-blooded? Yes! But in Ada's case there was passion too. I'm inclined to believe that it takes a particularly hot flame—a fire at white heat, in fact—to carry the human heart through such a Gethsemane. However that may be, Ada watched for her chance to poison Mrs. Greene, and found it that night. The nurse went to the third floor to prepare for bed between eleven and eleven-thirty; and during that half-hour Ada visited her mother's room. Whether she suggested the citro- carbonate or Mrs. Greene herself asked for it, we'll never know. Probably the former, for Ada had always given it to her at night. When the nurse came downstairs again Ada was already back in bed, apparently asleep, and Mrs. Greene was on the verge of her first—and, let us hope, her only— convulsion."
"Doremus's post-mortem report must have given her a terrific shock," commented Markham.
"It did. It upset all her calculations. Imagine her feelings when we informed her that Mrs. Greene couldn't have walked! She backed out of the danger nicely, though. The detail of the Oriental shawl, however, nearly entangled her. But even that point she turned to her own advantage by using it as a clue against Sibella."
"How do you account for Mrs. Mannheim's actions during that interview?" asked Markham. "You remember her saying it might have been she whom Ada saw in the hall."
A cloud came over Vance's face.
"I think," he said sadly, "that Frau Mannheim began to suspect her little Ada at that point. She knew the terrible history of the girl's father, and perhaps had lived in fear of some criminal outcropping in the child."
There was a silence for several moments. Each of us was busy with his own thoughts. Then Vance continued:
"After Mrs. Greene's death, only Sibella stood between Ada and her blazing goal; and it was Sibella herself who gave her the idea for a supposedly safe way to commit the final murder. Weeks ago, on a ride Van and I took with the two girls and Von Blon, Sibella's venomous pique led her to make a foolish remark about running one's victim over a precipice in a machine; and it no doubt appealed to Ada's sense of the fitness of things that Sibella should thus suggest the means of her own demise. I wouldn't be at all surprised if Ada intended, after having killed her sister, to say that Sibella had tried to murder her, but that she had suspected the other's purpose and jumped from the car in time to save herself; and that Sibella had miscalculated the car's speed and been carried over the precipice. The fact that Von Blon and Van and I had heard Sibella speculate on just such a method of murder would have given
weight to Ada's story. And what a neat ending it would have made— Sibella, the murderer, dead; the case closed; Ada, the inheritor of the Greene millions, free to do as she chose! And—'pon my soul, Markham!—it came very near succeeding."
Vance sighed, and reached for the decanter. After refilling our glasses, he settled back and smoked moodily.
"I wonder how long this terrible plot had been in preparation. We'll never know. Maybe years. There was no haste in Ada's preparations. Everything was worked out carefully; and she let circumstances—or, rather, opportunity—guide her. Once she had secured the revolver, it was only a question of waiting for a chance when she could make the footprints and be sure the gun would sink out of sight in the snow-drift on the balcony steps. Yes, the most essential condition of her scheme was the snow! ...Amazin'!"
* * * * *
There is little more to add to this record. The truth was not given out, and the case was "shelved." The following year Tobias's will was upset by the Supreme Court in Equity—that is, the twenty-five-year domiciliary clause was abrogated in view of all that had happened at the house; and Sibella came into the entire Greene fortune. How much Markham had to do with the decision, through his influence with the Administration judge who rendered it, I don't know; and naturally I have never asked. But the old Greene mansion was, as you remember, torn down shortly afterward, and the estate sold to a realty corporation.
Mrs. Mannheim, broken-hearted over Ada's death, claimed her inheritance— which Sibella generously doubled—and returned to Germany to seek what comfort she might among the nieces and nephews with whom, according to Chester, she was constantly corresponding. Sproot went back to England. He told Vance before departing that he had long planned a cottage retreat in Surrey where he could loaf and invite his soul. I picture him now, sitting in an ivied porch overlooking Kew Gardens, reading his beloved Martial.
Doctor and Mrs. Von Blon, immediately after the court's decision relating to the will, sailed for the Riviera and spent a year's belated honeymoon there. They are now settled in Vienna, where the doctor has become a Docent at the University—his father's Alma Mater. He is, I understand, making quite a name for himself in the field of neurology.
One domestic item may be appended. Several months ago a friend of mine, returning from Vienna, brought me the news that Sibella had given birth to a son and heir. The fact, I admit, struck me as somewhat incongruous. It is difficult for me to picture Sibella in the rôle of mother. But, as one of our leading sociologists recently assured us, the modern girl harbours beneath her callous and highly sophisticated exterior an intense, age-old maternalism. "Indeed," added this eminent sociologist, "the modern girls make the best mothers." Let us sincerely hope that Sibella will confirm his generous optimism.
THE END
Footnotes
[1] It is, I hope, unnecessary for me to state that I have received official permission for my task.
[2] "The Benson Murder Case"
[3] "The 'Canary' Murder Case"
[4] This was subsequently proved correct. Nearly a year later Maleppo was arrested in Detroit, extradited to New York, and convicted of the murder. His two companions had already been successfully prosecuted for robbery. They are now serving long terms in Sing Sing.
[5] It was Sergeant Ernest Heath, of the Homicide Bureau, who had been in charge of both the Benson and the Canary cases; and, although he had been openly antagonistic to Vance during the first of these investigations, a curious good-fellowship had later grown up between them. Vance admired the Sergeant's dogged and straightforward qualities; and Heath had developed a keen respect—with certain reservations, however—for Vance's abilities.
[6] Vance, after reading proof of this sentence, requested me to make mention here of that beautiful volume, "Terra Cotta of the Italian Renaissance," recently published by the National Terra Cotta Society, New York.
[7] Doctor Emanuel Doremus, the Chief Medical Examiner.
[8] Sibella was here referring to Tobias Greene's will, which stipulated not only that the Greene mansion should be maintained intact for twenty-five years, but that the legatees should live on the estate during that time or become disinherited.
[9] E. Plon, Nourrit et Cie, Paris, 1893.
[10] Inspector William M. Moran, who died last summer, had been the commanding officer of the Detective Bureau for eight years. He was a man of rare and unusual qualities, and with his death the New York Police Department lost one of its most efficient and trustworthy officials. He had formerly been a well-known up-State banker who had been forced to close his doors during the 1907 panic.
[11] Captain Anthony P. Jerym was one of the shrewdest and most painstaking criminologists of the New York Police Department. Though he had begun his career as an expert in the Bertillon system of measurements, he had later specialized in footprints— a subject which he had helped to elevate to an elaborate and complicated science. He had spent several years in Vienna studying Austrian methods, and had developed a means of scientific photography for footprints which gave him rank with such men as Londe, Burias, and Reiss.
[12] I remember, back in the nineties, when I was a schoolboy, hearing my father allude to certain picturesque tales of Tobias Greene's escapades.
[13] Captain Hagedorn was the expert who supplied Vance with the technical data in the Benson murder case, which made it possible for him to establish the height of the murderer.
[14] It was Inspector Brenner who examined and reported on the chiselled jewel-box in the "Canary" murder case.
[15] Among the famous cases mentioned as being in some manner comparable to the Greene shootings were the mass murders of Landru, Jean-Baptiste Troppmann, Fritz Haarmann and Mrs. Belle Gunness; the tavern murders of the Benders; the Van der Linden poisonings in Holland; the Bela Kiss tin-cask stranglings; the Rugeley murders of Doctor William Palmer; and the beating to death of Benjamin Nathan.
[16] The famous impure-milk scandal was then to the fore, and the cases were just appearing on the court calendar. Also, at that time, there was an anti-gambling campaign in progress in New York; and the District Attorney's office had charge of all the prosecutions.
[17] The Modern Gallery was then under the direction of Marius de Zayas, whose collection of African statuette-fetiches was perhaps the finest in America.
[18] Colonel Benjamin Hanlon, one of the Department's greatest authorities on extradition, was then the commanding officer of the Detective Division attached to the District Attorney's office, with quarters in the Criminal Courts Building.
[19] Among the volumes of Tobias Greene's library I may mention the following as typical of the entire collection: Heinroth's "De morborum animi et pathematum animi differentia," Hoh's "De maniae pathologia," P. S. Knight's "Observations on the Causes, Symptoms, and Treatment of Derangement of the Mind," KrafftEbing's "Grundzuge der Kriminal- Psychologie," Bailey's "Diary of a Resurrectionist," Lange's "Om Arvelighedens Inflydelse i Sindssygedommene," Leuret's "Fragments psychologiques sur la folie," D'Aguanno's "Recension di antropologia giuridica," Amos's "Crime and Civilisation," Andronico's "Studi clinici sul delitto," Lombroso's "Uomo Delinquente," de Aramburu's "La nueva ciencia penal," Bleakley's "Some Distinguished Victims of the Scaffold," Arenal's "Psychologie comparée du criminel," Aubry's "De l'homicide commis par la femme," Beccaria's "Crimes and Punishments," Benedikt's "Anatomical Studies upon the Brains of Criminals," Bittinger's "Crimes of Passion and of Reflection," Bosselli's "Nuovi studi sul tatuaggio nei criminali," Favalli's "La deliquenza in rapporto alla civilta," de Feyfer's "Verhandeling over den Kindermoord," Fuld's "Der Realismus and das Strafrecht," Hamilton's "Scientific Detection of Crime," von Holtzendorff's "Das Irische Gefangnissystem insbesondre die Zwischenanstalten vor der Entlassung der Straflinge," Jardine's "Criminal Trials," Lacassagne's "L'homme criminel compare à l'homme primitif," Llanos y Torriglia's "Ferri y su escuela," Owen Luke's "History of Crime in England," MacFarlane's "Lives and Exploits of Banditti," M'Levy's "Curiosities of Crime in Edinbur
gh," the "Complete Newgate Calendar," Pomeroy's "German and French Criminal Procedure," Rizzone's "Delinquenza e punibilita," Rosenblatt's "Skizzen aus des Verbrecherwelt," Soury's "Le crime et les criminels," Wey's "Criminal Anthropology," Amadei's "Crani d'assassini," Benedikt's "Der Raubthiertypus am menschlichen Gehirme," Fasini's "Studi su delinquenti femmine," Misl's "Arrested and Aberrant Development and Gyres in the Brain of Paranoiacs and Criminals," de Paoli's "Quattro crani di delinquenti," Zuckerkandl's "Morphologie des Gesichtsschadels," Bergonzoli's "Sui pazzi criminali in Italia," Brierre de Boismont's "Rapports de la folie suicide avec la folie homicide," Buchnet's "The Relation of Madness to Crime," Galucci's "Il jure penale e la freniatria," Davey's "Insanity and Crime," Morel's "Le procès Chorinski," Parrot's "Sur la mono-mane homicide," Savage's "Moral Insanity," Teed's "On Mind, Insanity and Criminality," Worckmann's "On Crime and Insanity," Vaucher's "Système préventif des délits et des crimes," Thacker's "Psychology of Vice and Crime," Tarde's "La Criminalité Comparée," Tamassia's "Gliultimi studi sulla criminalità," Sikes's "Studies of Assassination," Senior's "Remarkable Crimes and Trials in Germany," Savarini's "Vexata Quaestio," Sampson's "Rationale of Crime," Noellner's "Kriminal-psychologische Denkwurdigkeiten," Sighele's "La foule criminelle," and Korsakoff's "Krus psichiatrii."
[20] Dr. Blyth was one of the defence witnesses in the Crippen trial.
[21] Doctor Felix Oppenheimer was then the leading authority on paralysis in America. He has since returned to Germany, where he now holds the chair of neurology at the University of Freiburg.
[22] Hennessey was the detective stationed in the Narcoss Flats to watch the Greene mansion.
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