John Short is a free man again, having endured 15 days of interrogations and emerging with his health intact.

The Australian missionary’s reason for entering – his faith – appears to have strengthened him during the experience (though a hunger strike may have shortened the ordeal), culminating in his release earlier this month.

But not all Christians to have gone into the North have been so lucky: Robert Park emerged from his experience tortured and suffering from post-traumatic stress disorder. Kenneth Bae remains detained a year and a half after his arrest, and his physical statehas worried many, even