“I do.”
“Go on—what about it?”
“It was submitted to me for chemical analysis—to analyze the substance, with which it is discolored.”
“And you found?”
“I found that it was stained with blood,”
“Human blood?”
“Precisely.”
“About how long had it been shed? Did its condition indicate?”
“From its condition when submitted to me—that is, at about noon on the 13th—I inferred that it had been shed not much less nor much more than twelve hours.”
“Thank you, Doctor,” said the lawyer. To Epstein, “Your witness.”