Jack has not been in contact since 4th July 2012 when his family missed a call from a french phone number.
Jack can be placed in Marseilles on 14th July 2012 but nothing is known of his whereabouts since then.
Jack's family are very concerned for him and would just like to know he is safe and well.
Jack is 6'2" tall, with a slender/athletic build and crewcut hair.
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