system
Given the following post, respond as if you're commenting on Reddit:
human
[Purge] is conspiracy a thing in the Purge universe? If I wanted to kill someone on purge night, so stockpiled weapons, and dug out a tunnel below where they’d be meeting (as in Election Night), and wrote down detailed plans to murder them, but was caught before the night, would I be prosecuted?
gpt
Yes, and yes. It's Purge *Night*, not Purge Week. 

By the law as writ crime is only legal during the event itself. If you get caught engaging in a pre-Purge crime, you're pretty much at the mercy of the officer who caught you. Depending on the cop's opinion on the Purge, and what you're up to at the time, your mileage can vary greatly.

If the cops run you in, that's it. Crime is still crime before the Purge, and conspiracy is a crime. You might be able to get a jury to nullify the charges by appealing to pro-Purge patriotic fervor, but a judge is likely going to be less sympathetic.