The Trump administration overhauled the SAVE system last year to link it to Social Security data and allow bulk queries for citizenship data on all Americans.

… It was created 40 years ago so state and federal agencies could look up non-citizens' immigration status to find out if they qualified for public benefits. What does this have to do with voting? Well, last year, the Trump administration completely overhauled SAVE, really changed what this program could do. They linked SAVE, for the first time, to Social Security data, um, which meant it could look up citizenship data for all Americans, not just foreign-born Americans, um, and it could do bulk queries. So the Trump administration was encouraging states, um, starting last year, to upload their entire voter rolls to SAVE to check for noncitizens and deceased voters, and several states took …