What are people seeing on CSI that is or isn’t real? I know of the show but have not seen. And I doubt CSI is presenting tech which is as advanced as reality.

What are people seeing on CSI that is or isn’t real? I know of the show but have not seen. And I doubt CSI is presenting tech which is as advanced as reality. I have seen black mirror, and reality isn’t too far from that. (Referring to the direction/trajectory of our development of ML, sensors etc)