This is the 1627th most frequent Korean word.
범죄가
"범죄가" translates to "criminal" or "crime specialist" in English.
Here, '범죄가' functions as the subject of the verb '늘어나고 있습니다' (are increasing). It refers to crimes as a general concept.
범죄가 늘어나고 있습니다.
Crimes are increasing.
In this sentence, '범죄가' is the subject of the question, referring to specific crimes (described by '이런' — such) affecting society.
이런 범죄가 사회에 어떤 영향을 미치나요?
What impact do such crimes have on society?
Here, '범죄가' is modified by '불법' (illegal) and is the subject of the adjective clause '존재하지 않는' (do not exist), envisioning a world without illegal activities.