He served 38 years for a crime he committed at 16. Now, he's finding his way in a changed Houston.

For nearly 40 years, Demetrius Johnson would lie in bed and imagine what life would be like in the free world. In his mind’s eye, he’d watch himself finding a steady job, getting swept up in romance, marrying the woman of his dreams and raising children. The journeys were a solace and a joy, so much so that he tried to teach other inmates his technique.

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