Civil Military Relations -- NCIS federal agents working community cases? Huh?

Seven arrested on drug charges

Carolina Morning News

This case netted a house full of criminals - two illegal aliens, one major drug trafficker and another who is on probation," Woodward said. "It's a joint success because the Naval Criminal Investigative Service was instrumental and so were the anonymous calls from the community.

JAG Hunter comment: Emphasis added above is mine. Just exactly what is the NCIS doing in this local civilian case? No sailors or Marines are identified.