Is spying wrong? The discovery of a Chinese spy at the very heart of British politics is causing consternationA feeling of shock or confusion. It derives from a Latin verb meaning to alarm or dismay.. But some say it is the price we must pay for global security.
Britain poised to unmask Chinese spy network

Glossary
Consternation - A feeling of shock or confusion. It derives from a Latin verb meaning to alarm or dismay.
Politicians - Someone whose job it is to be involved in running a country. Politicians try to persuade people they have the best ideas to run the country.
Arrested - Stopped by the police and taken to a police station.
Palace of Westminster - Where the UK's House of Commons and House of Lords meet.
Parliamentary aide - Assistants to officials and politicians in parliament.
Spy - Politico Magazine says that when Vladimir Putin first arrived in Dresden as a mid-level KGB officer in 1985, he was in charge of handling anti-Western terrorists.
Recruit - Persuade someone to take a job or join a group.