Final answer:
According to the Illinois State Police Directives Manual, when officers take mentally ill persons into custody, certain guidelines apply to protect their rights and ensure fair treatment within the criminal justice system.
Step-by-step explanation:
According to the Illinois State Police Directives Manual, when officers take mentally ill persons into custody, the following shall apply:
- Suspects must know and understand the charges and evidence against them.
- Cases against those 'incompetent to stand trial' for reasons of illness or insanity must be dismissed.
- Juvenile suspects cannot be tried as adults.
These guidelines aim to protect the rights of mentally ill persons and ensure fair treatment within the criminal justice system.