Murder is usually a crime of impulse, and the murderer a person of feeble self-control.

Such persons are most unlikely to make elaborate and ingenious arrangements for the disposal of the bodies of their victims.

Even the cold-blooded perpetrators of the most carefully planned murders appear, as I have said, to break down at this point.

The almost insuperable difficulty of getting rid of a human body is not appreciated until the murderer suddenly finds himself face to face with it.
"In the case that you are suggesting, the choice would seem to lie between burial on the premises or dismemberment and dispersal of the fragments; and either method would be pretty certain to lead to discovery." "As illustrated by the remains of which you were speaking to Mr.
Bellingham," Jervis remarked.
"Exactly," Thorndyke answered, "though we could hardly imagine a reasonably intelligent criminal adopting a watercress-bed as a hiding-place." "No.

That was certainly an error of judgment.