Which of the Following Is a Difference Between an Internal

Which of the following is a difference between an internal and an external investigation of a white-collar crime?

A) Businesses cannot fire an employee suspected of misconduct unless they refer the case to authorities.
B) Businesses use an information-gathering approach to internal interviews as opposed to the adversarial approach of criminal investigations.
C) It is easier for an internal investigation to sort through business records to gather evidence.
D) Businesses investigate their employees when they suspect misconduct of any kind.