UPDATE: Parents of ex-U.S. Marine jailed in Mexico say he's losing hope

UPDATE: Jon Hammar, the U.S. Marine imprisoned in Mexico on a gun charge, will be released today 12/21/2012, Fox News confirms. 

MIAMI (Reuters) - The mother of a former U.S. Marine jailed in a notoriously violent corner of northern Mexico said on Monday that her son was losing hope after being arrested in August for possessing a shotgun that was a family heirloom.
Jon Hammar, 27, was heading to Costa Rica to go surfing when he crossed into Matamoros, Mexico, from Brownsville, Texas, in a beat-up old Winnebago motor home he and a friend bought especially for the trip.

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