But I don't doubt it will be essentially the same type of crime. The details may be different, but the essentials underlying them will be the same. It's odd, but a criminal gives himself away every time by that. Man is an unoriginal animal," said Hercule Poirot.
"Women," said Mrs. Oliver, " are capable of infinite variation. I should never commit the same type of murder twice running."
"Don't you ever write the same plot twice running?" asked Battle.