והאנשים אשר שלח משה לתור את הארץ וישבו וילנו עליו את כל העדה להוציא דבה על הארץ...וימתו האנשים מוצאי דבת הארץ רעה במגפה לפני ד'
The preceding pasuk already mentioned that the spies had spread an evil report about the Land. Why does the next pasuk, which relates their punishment, reiterate their slander of the Land? The Ohr HaChaim HaKadosh attributes this to their slandering Eretz Yisrael. “How can one declare a completely beautiful Land to be bad? How can a human being be so brazen?… As a result of this insurrection, Hashem’s anger flared against them, and He killed them immediately.” We derive from here that speaking negatively of Eretz Yisrael is a grave sin. It is unnatural because it is contrary to the…