tween Mannheim and the crimes, and I even toyed with the idea that Sproot was Mannheim, and that a dirty thread of blackmail ran through the situation. So I decided to investigate. My mysterious trip last week was to New Orleans; and there I had no difficulty in learning the truth. By looking up the death records for October thirteen years ago, I discovered that Mannheim had been in an asylum for the criminally insane for a year preceding his death. And from the police I ascertained something of his record. Adolph Mannheim—Ada's father—was, it seems, a famous German criminal and murderer, who had been sentenced to death, but had escaped from the penitentiary at Stuttgart and come to America. I have a suspicion that the departed Tobias was, in some way, mixed up in that escape. But whether or not I wrong him, the fact remains that Ada's father was homicidal and a professional criminal. And therein lies the explanat'ry background of her actions. . . ."
"You mean she was crazy like her old man?" asked Heath.
"No, Sergeant. I merely mean that the potentialities of criminality had been handed down to her in her blood. When the motive for the crimes became powerful, her inherited instincts asserted themselves."
"But mere money," put in Markham, "seems hardly a strong enough motive to inspire such atrocities as hers."
transactions, and had exacted from Tobias the promise that, in event of his own death or incarceration, he would adopt and care for Ada, whom Mrs. Mannheim had placed in a private institution at the age of five, to protect her from Mannheim's influence.
