In this 2006 file photo, Michael Brown was convicted of helping kill his grandparents in Rio Rancho in 1994 — one of the first teens in New Mexico to be punished as an adult. Now 29, with decades of time still to serve, he wonders what might have been. As he serves time at a prison in Grants, Brown declines to think about time in a conventional manner. "If you give up on the outside world," he says, "you lose hope."