These crimes usually involve violations of particular federal and state laws concerning commercial transactions and securities transactions. However, they often involve charges of money laundering and various kinds of fraud.
If the defendant is charged with a violation of a sexual offense, the court may admit evidence that the defendant has committed past acts which would constitute a sexual offense and may consider the bearing this evidence has on any matter to which it is relevant.
Until recently the rules of evidence precluded the use of character evidence to determine the incident. Character evidence is so central in shaping our opinions as to whether someone did or did not do something that the law long excluded it.