Federal Bureau of Investigation agents searched the office of an Ohio-based organization that supports voter registration efforts, according to reports from multiple news outlets published Thursday. The search was confirmed by law enforcement sources, though federal authorities have not publicly disclosed the specific focus of the investigation.

The organization involved in the search has been active in supporting voter registration drives in Ohio, a perennial battleground state. Details about what agents were looking for or whether any materials were seized have not been officially confirmed by the FBI or the Department of Justice.

Searches of this nature typically indicate that federal investigators have obtained a warrant from a judge by demonstrating probable cause that evidence of a potential crime may be present at the location. A warrant does not constitute a charge or finding of wrongdoing.

Representatives for the organization had not issued a detailed public statement as of the time of initial reporting. The FBI declined to comment on the specifics of the search, which is standard practice for ongoing investigations. Ohio election officials were not immediately available for comment.