Summary

Francis L. Wellman The Art of Cross-Examination — Chapter 12 (1903)

Counsel. "Do you wish to go out to the world as saying that you have never diagnosed a case of morphine poisoning excepting when you had an autopsy to exclude kidney disease?"
Witness. "I do not. I have not said so."
Counsel. "Then you have diagnosed a case on the symptoms alone, yes? or no? I want a categorical answer."
Witness (sparring) . "I would refuse to answer that question categorically; the word 'diagnosed' is used with two different meanings. One has to make what is known as a 'working diagnosis' when he is called to a case, not a positive diagnosis."
Source: Wikisource

Francis L. Wellman The Art of Cross-Examination — Chapter 12 (1903)

But often-times the means a criminal uses in order to conceal his deed are the very means that Providence employs to reveal the sin that lies hidden in his soul. Harris failed to foresee that it was the preservation of these capsules that would really convict him. Miss Potts had taken all that he had given her, and no one could ever have been certain that it was not the druggist's awful mistake, had not these retained capsules been analyzed. When Harris emptied one capsule and reloaded it with morphine, he had himself become the druggist.
Source: Wikisource

Francis L. Wellman The Art of Cross-Examination — Chapter 12 (1903)

His direct testimony was to the effect that—basing his opinion partly upon wide reading of the literature of the subject, and what seemed to him to be the general consensus of professional opinion about it, and "very largely on his own experience"—no living doctor can distinguish the coma of morphine from that of kidney disease; and as the theory of the criminal law is that, if the death can be equally as well attributed to natural causes as to the use of poison, the jury would be bound to give the prisoner the benefit of the doubt and acquit him.
Source: Wikisource

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