The Ontario Provincial Police (OPP) have charged Darrell Tuesday from Mishkosiminiziibiing (Big Grassy River First Nation) with first-degree murder in the death of Autumn Andy.
Andy, 15, disappeared from the community last Wednesday.
She was discovered behind an outdoor skating rink in the community.
The OPP say they were alerted to her disappearance by Three Treaty Police last Wednesday and sent a K-9 unit and search team in response.
Her body was discovered at 7:45 p.m.
An autopsy was performed in Toronto but police say they are not releasing the results.
Police say they are continuing to investigate Andy’s death.
Tuesday has been remanded into custody and is scheduled to appear in Fort Frances at the Ontario Court of Justice on June 25.