Please cite one case, by name and location, where a non-citizen has been convicted of voting in a US election. Please cite a specific election where so many non-citizens have been convicted of voting that it could have conceivable changed the outcome in that election. Let me cite you substantial analysis that requiring ID keeps many citizens from voting
Brennen Center, Washington Post, Atlantic, Mother Jones, UCSD, UW, Cornell, Cambridge. There is a mix a academic original research and easily accessible, but thoughtful articles in that list.