He had merely to open the window in the quiet hours of the night, when no one was about, and pass the mummy through to his accomplice, who probably waited without.

It is also probable that a boat was waiting by the bank of the river, and the mummy having been placed in this, the assassin and his friend could row away into the unknown without the slightest chance of discovery." Inspector Date--a tall, thin, upright man with an iron jaw and a severe expression--drew the Coroner's attention to the fact that there was no evidence to show that the assassin had an accomplice.
"What you have stated, sir, may have occurred," rasped Date in a military voice, "but we cannot prove the truth of your assumption, since the evidence at our disposal is merely circumstantial." "I never suggested that it was anything else," snapped the Coroner.

"You waste time in traversing my statements.

Say what you have to say, Mr.
Inspector, and produce your witnesses--if you have any." "There are no witnesses who can swear to the identity of the murderer," said Inspector Date coldly, and determined not to be ruffled by the apparent antagonism of the Coroner.

"The criminal has vanished, and no one can guess his name or occupation, or even the reason which led him to slay the deceased." Coroner: "The reason is plain.