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"If you're skeptical of states going after ICE agents in particular, ... there's a really strong originalist case that states have this power."

As part of President Trump’s efforts to expand federal control over the country’s historically state-run election infrastructure, the U.S. Department of Justice has demanded copies of states’ complete voter registration lists, including voters’ highly sensitive data like birthdates, partial Social Security numbers, and driver’s license numbers. The Justice Department has filed federal lawsuits against 29 states (so far) and Washington, D.C., seeking orders compelling these jurisdictions to turn over their data. This tracker monitors the Justice Department’s lawsuits.

"States have broad power to regulate within their borders unless the U.S. Constitution bars it, but many of these laws raise novel issues that courts will have to sort out, said Harrison Stark, senior counsel with the State Democracy Research Initiative at the University of Wisconsin Law School."

The U.S. Justice Department has demanded states' complete, unredacted vote registration lists. States have mostly declined to provide their full, unredacted voter registration lists. This report examines the questions raised by the federal government's demands about the long-established authority of states to administer elections and the scope of the federal government’s role in the voter registration process.

As the federal government carries out aggressive immigration raids in major cities across the U.S., state officials are facing off with the federal government over a centuries-old question: When can states prosecute federal officials for violating state criminal law?

This Report describes the recently enacted mask ban in California and the proposed laws in other states. Under existing precedent, mask bans are neither clearly prohibited nor clearly permissible. This Report also provides an overview of other options states may have to address masking by federal law enforcement.

Following the 2024 election, we updated our survey of election-related lawsuits to help understand the role of litigation in our elections. This update underscores key themes from our survey of litigation from 2018 to 2022: litigants continue to file election suits at high rates, primarily in state courts, and most often presenting claims related to election administration and the mechanics of voting.

Ahead of Election Day 2024, courts—and especially state courts—continue to be inundated with election-related lawsuits. As in 2020, courts may see a deluge of post-election litigation as well. A recurring question in these pre- and post-election cases is whether the plaintiffs waited too long to sue. Under the longstanding equitable doctrine of “laches,” courts sometimes reject claims as untimely even when plaintiffs satisfy the applicable statute of limitations if, in fairness, the claims should have been brought sooner. This Research Note offers a 50-state survey of laches doctrine in the election context.

In roughly half of U.S. states, state constitutions confer rights of direct democracy, allowing the people to make law directly through statutes or constitutional amendments. The exercise of direct democracy rights can lead to power struggles with state legislatures. In particular, state legislatures sometimes respond to successful ballot measures by passing new laws that make ballot measures harder to use. Disputes over these new burdens on direct democracy frequently land in state courts. This Report considers how state courts have responded to these power struggles, with special attention to case law analyzing process-altering legislation under state constitutional direct democracy rights.

This report analyzes an often-overlooked set of state entities that hold substantial power: judicial conduct commissions. These entities, which exist in every state, are primarily designed to protect the public from judicial misconduct and have broad authority to investigate and sanction state judges. As state courts gain increasing attention, the public and scholars should likewise attend to the entities that oversee them.