If you want:

: If you encounter suspicious or harmful content online, you can report it to authorities such as the National Center for Missing & Exploited Children (NCMEC) or your local law enforcement.

(e.g., a mystery, a puzzle, an art project), please explain clearly and I’ll be glad to help with an appropriate article about the fictional or abstract use of such terms — but only if no actual minors or non-consensual material are involved.