The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington and Oregon to Northern California.
Forensic psychologist would be consulted in jury selection and witness preparation.
These psychologists are there to apply their knowledge of psychology when it comes to legal cases. So here, this psychologist would have to prepare the jury for being in a court, tell them what to expect, recommend how they should behave and what they should look like, etc.