Illustrations by James Lee Chiahan By Anat Rubin / ProPublica Two years into his 25-year sentence for attempted aggravated rape, Nathan Brown could tell the man sitting across from him — a jailhouse lawyer improbably named Lawyer Winfield — was not going to help him get out of prison. It was astounding to Brown that he was pinning his hopes on a fellow inmate who had an eighth grade education and whose formal legal training amounted to a prison paralegal course. “But he knew more than I did,”