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Extra grids that let you try out logic permutations.
This userscripts adds two smaller panels with small grid that can be marked in green, red and yellow, intended for situations where you want to examine scenarios which depend on certain suspects being innocent or criminal. Originally written by u/Background_Gas_5365 on Reddit, I've extended it with a few more features that I thought are helpful but wouldn't be implemented by the original author.
Explaination of the original author:
So, you click tiles in the 2 (or optionally 3) provided grids (click to toggle a tile between clear, red, and green), and it shows you in the COMMON result screen which tiles are common between your 2 or 3 boards. So as you play with options in your 2 or 3 boards, you can see which tile reveals itself as the only option for that tile. [...] This helps me figure out the options -- hope someone else finds it useful!
In addition to the base functionality, this version also allows you to: