Difierence between white collar crime and organized crime

Need to write an essay specifying the opinion of Criminologist Donald Cressey in the 21 st century Tell the difference between white collar crime and organized crime and how we will no longer be able to tell the difference- Agree or disagree and why? There is any line blurring anywhere else, such as between white collar crime and professional crime or white collar crime and corporate or occupational crime? Explain and provide examples in the essay