The murder and rape of a young woman in Baltimore in 1987 led to the wrongful convictions of two men. Each served more than two decades behind bars, and when D-N-A belatedly showed they had not sexually assaulted her, both faced the same choice: accept an Alford plea--a type of guilty plea--and be released, or maintain their innocence.Megan Rose, a reporter for the nonprofit investigative site Pro Publica, describes how the repercussions of this choice played out, and why prosecutors often balk when new evidence surfaces. Check out ----What Does A Guilty Man Have to Do to Go Free?---- here.And we speak to Walter Lomax, who served nearly 40 years in prison, wrongfully convicted of murder.