muckraking

US /ˈmʌkˌreɪ.kɪŋ/
UK /ˈmʌkˌreɪ.kɪŋ/
"muckraking" picture
1.

the action of searching out and publicizing scandalous information about famous people in an underhanded way.

:
The journalist was known for his relentless muckraking.
His career was built on sensational muckraking.