Why do finance workers have the highest rate of infidelity of all professions?

All Operation and/or Transactions happens at the business firm are directly have a financial effect.. That is why fianance staff know much more than others. 

Thanks for invitation,

Do you have any proven statistics for this, I really doubt ? I do believe that all professionals has good and bad people as well, it is not related to the professional but to the person and his own ethics.