聂某某选拔处长未果，充满怨气，当起了间谍

Core Viewpoint - The article discusses a significant espionage case involving a public official, Nie, who was sentenced to life imprisonment for selling confidential information to foreign intelligence agencies due to personal financial pressures and greed [1][2]. Group 1: Espionage Case Details - Nie, a public official, was familiar with confidentiality regulations but chose to sell information for profit, leading to his life sentence for espionage [1]. - Financial difficulties arose from stock trading losses and increased family expenses, which motivated Nie to engage in espionage [1]. - During official trips abroad, Nie contacted foreign intelligence agencies, initially sending classified documents to gain their trust [2]. Group 2: Methods of Information Theft - Nie utilized his work position to access and steal confidential documents through various means, including unauthorized copying and recording [2]. - Over a period of four months, Nie sold over 30 classified documents, including one top-secret document and 25 classified documents [2]. - To avoid detection, Nie employed multiple strategies when sending sensitive information to foreign intelligence [2].