“I gave it to Sergeant Holcomb of the homicide squad, who was standing at my side.”

“Let’s see,” Mason said musingly, “three o’clock in the morning. You had two postmortems to perform by that time, didn’t you, Doctor?”

“I did.”

“The other one being that of George Trent, who had also been shot?”

“Yes, sir.”

“And you performed both of those postmortems at the same time?”

“No, sir, I performed the postmortem on Austin Cullens first, and then the autopsy on George Trent.”

“But you performed the postmortem on George Trent immediately after you had finished with that of Austin Cullens?”

“That’s right.”

“And Sergeant Holcomb was present at both examinations?”