Does criminal profiling provides a psychological sketch to help police focus investigative efforts?

Yes, it gives police force a sight in perpetrators psychology. Criminal profiling is not as easy as they show in Hollywood dramas. It is a technique that is based on extensive knowledge of criminal patterns, behaviour and statistics.

This article might help you further :

https://www.ucf.edu/online/criminal-justice/news/what-is-criminal-profiling-and-what-is-its-role-in-law-enforcement?amp