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.
If you become a suspect in an investigation involving child sexual abuse allegations, your first contact with the authorities may be from a social service agency like Child Protective Services. People are often told the CPS investigation is simply trying to get information to close a file or to help a traumatized child. Do not be fooled.