After more than a decade in prison, one man is not wasting his second chance After spending 13 years in prison, Walter Martin is using his freedom to inspire others through his words, books and now a new movie. Author: Malik Jackson Updated: 11:35 PM EDT July 25, 2021 KNOXVILLE, Tenn — One Knoxville man is refusing to let his past dictate his future after spending more than a decade in prison. He's proving to others-- that getting knocked down isn't the end of the story. "Got into some trouble, started robbing and doing all kinds of stuff. Luckily, and I say that, you know, humbly luckily that I got in trouble," said Walter Martin.