John, a CFE, Was Conducting an Investigation on Some Accusations

John, a CFE, was conducting an investigation on some accusations that Jim, the division manager, was involved in fraudulent activities. During the course of the investigation, in order to gather more information, John mentions Jim's name and tries to get additional information from some uninvolved underlings at a company party. John is guilty of:

A) Using questionable investigation techniques
B) Jumping to conclusions
C) Not reporting all facts objectively
D) Not insuring that those involved are on a "need to know" basis.