muckraker
/ˈmʌkrækər/Definitions
1. noun
A person who investigates and exposes corruption, crime, or malpractice, especially in politics or business
“The journalist was known as a muckraker for her exposés on corporate wrongdoing.”
2. noun
A person who habitually searches for and exposes dirt, scandal, or misdeed
“The politician’s opponents called him a muckraker for his constant criticism of their policies.”
3. verb
To investigate and expose corruption, crime, or malpractice, especially in politics or business
“The team of lawyers muckedraked the company’s financial records, revealing widespread embezzlement.”