Impeachment: A procedure established by law to criminally prosecute a senior government official or judge who has special rights when there is a specific violation of law. The result of impeachment is to remove the person found guilty. which of the following are impeachments? ['A CPPCC member publicly expressed his criticisms and opinions on a city bureau leader.', 'The court convicted the director of a public security bureau of accepting a bribe and sentenced to 5 years in prison.', 'A serious security incident occurred in a province, and several relevant national departments involved in the investigation, and the main leader of the project was removed.', 'A national court has charged the current Chief Executive with serious corruption and corruption.']