NKVD 

People's Commissariat of Internal Affairs: the Soviet police and secret police from 1934 to 1943: the police from 1943-46.

NKVD - Narodnyy Komissariat Vnutrennikh Del

NKVD by Dancing with Fire September 6, 2012

NKVD 

What you want to call in order to get rid of those bullies who are trying to be wannabe chavs

Bully: *punches kid*
Kid: I'm calling the NKVD
Bully: Who?
*NKVD busts in*
Bully: *screams his/her lungs out*
Kid: Go get the prick!
NKVD: *shoots and gasses bully to death*

NKVD by By theflipkidatyaschool April 12, 2023