CRIME SCENE SKETCHING by M/Sgt Hayden B. Baldwin, Retired This page is under construction and is not the final version. THE COURSE A two day crime scene sketching course has been designed to meet the needs of the law enforcement agencies. INTRODUCTION The homicide crime scene is, without a doubt, the most important crime scene a police officer or investigator will be called upon to respond to. CSI: Crime Scene Investigation premiered on October 6, Since then, fifteen seasons have been broadcast. The first season consisted of 23 episodes, including a two-part pilot episode written by series creator Anthony E. mengmeng.mes two, three, and four also had 23 episodes each, while season five had 25 episodes, including a two-part .