PIERRE, S.D. (AP) — Investigations into sex trafficking at this year's Sturgis Motorcycle Rally resulted in felony charges against men from four states.

The investigation was handled by the state Division of Criminal Investigation and the South Dakota Internet Crimes Against Children Task Force.

Authorities arrested a 44-year-old man from South Dakota, a 35-year-old man from Nebraska, a 27-year-old man from Nevada and a 21-year-old man from Iowa. They all could face 10 years in prison if convicted.

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