Authorities have learned the identity of a man who was found wandering naked through some woods in northern New Jersey over the weekend.

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But it's still not clear how or why Russell J. Cox of Ocean ended up in Mahwah on Sunday

Officers found the 36-year-old Cox off Route 202 unclothed and covered in mud. He had no signs of head trauma or injuries that could have caused memory loss, so he was taken to a hospital for evaluation because he couldn't provide any information on his identity.

After police released a photo of the man, a tipster identified him as Cox. He also told authorities about tattoos Cox had on his arm and back that were not visible in the picture released by police.

No charges have been filed.

(Copyright 2012 by The Associated Press.  All Rights Reserved.)

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