What are the legal implications of a campaign using this leaked modelling data? Would it be breaking any existing laws to use data that was leaked to the publi

What are the legal implications of a campaign using this leaked modelling data? Would it be breaking any existing laws to use data that was leaked to the public without the permission of the original company that did the modelling? (If nothing else, I suppose it's probably a copyright violation.) Hypothetically, could one deliberately leak a trove of modelling data with some fake voters inserted, and then monitor the mailbox associated with that fake voter and sue any organization you don't like that sends campaign flyers for using the data without permission?