A Louisville Metro Police Department officer is under internal investigation after listing “ERO” — an acronym used by a U.S. Immigration and Customs Enforcement unit — as the reason for more than 100 searches of the agency’s license plate reader data.

The Kentucky Center for Investigative Reporting highlighted Officer Wesley Troutman’s searches earlier this month in a report that examined how law enforcement across the country are accessing LMPD’s data for immigration enforcement. Documents obtained by KyCIR show police agencies from more than a dozen states pinged LMPD’s database about 1,700 times between January and mid-July 2025, using immigration-related keywords. Troutman accounted for 150 of the searches.

The practice surprised some local leaders who said sharing data for immigrati

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