In drug crime circles, 'Ya-Dang' informants sell criminals' info. Criminals use this to reduce sentences, while law enforcement uses it for arrests. Ya-Dang, police and prosecutors form a key triangle.
In the league of drug crimes, the insiders who leak the information of drug-criminals are called 'Ya-Dang'. Drug-criminals take advantage of commutation by passing over the insider's information bought from 'Ya-Dang'. Cops and prosecutors, on the other hand, make performances by using the information. There is a triangle in Korean drug-crime scene: police, prosecutors and the game changer, 'Ya-Dang'.
