Dozens of Federal Agents raided two properties in northern Michigan.
The Leelanau County Sheriff's Office says about 60 agents took part in the investigation, searching sites in both Suttons Bay and Leelanau Township.
A portion of Saint Mary's Avenue in Suttons Bay was shut down.
The FBI won't say why they searched the properties at this time, but it's believed more searches are being done in other states related to the case.
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