While there isn't a single "official" script, many players use community-created scripts to automate tasks like collecting cash, arresting NPCs, or upgrading their station. Disclaimer
The Ultimate Roblox Police Tycoon Script Guide: Auto-Farm, Infinite Cash, and Safe Downloading police tycoon script link
A few communities still share working links, but they are locked behind: While there isn't a single "official" script, many