Since the game is delisted from official digital stores, you have a few alternative options:
Official digital downloads for the CSI game series, including Deadly Intent , are no longer available for direct purchase from major storefronts like the Xbox 360 Marketplace or Steam. Most CSI titles were due to expired licensing agreements with the television show owners. Where to Find the Game Today
: Some legacy software sites like Softonic may still host trial versions, though these are often limited and may not work on modern operating systems without significant troubleshooting. CSI Problem Solving
: Some users have uploaded archival versions or "Quick Looks" of the game to the Internet Archive for preservation purposes.