Knowledge is not difficult to prove in fraud cases since these individuals often feel they are smarter than everyone else is. Intent - the perpetrator must intend to steal from you.
Intent is the toughest part of any fraud case.
Evidence collected through proven investigative techniques, the forensic audit and experience proves intent. Deceit - the perpetrator must be acting in a deceitful manner. Smugness - always felling they are smarter than everyone else is. Aggressiveness - has a tendency to pick fights with individuals around them. Defensiveness - reluctance to explain duties to others.