CSI is an acronym that stands for Crime Scene Investigation. It refers to the scientific examination and analysis of physical evidence gathered at a crime scene. It involves various techniques and methodologies used to uncover and interpret evidence that can be useful in solving crimes or building a case.
Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: Franchise that moved back to Vegas in 2021. Explanations are generated by AI and may be inaccurate.