William Smith may be the longest - serving prison innate in the United States . He has been behind bars for 40 years . At 81 , Heirens is diabetic and uses a wheelchair . He says his ' confession to the ` ` ' Murders '' was coerced .
William Heirens may be the longest-serving prison innate in the United States . He has been behind bars for 63 years . At 81 , Heirens is diabetic and uses a wheelchair . He says his 1946 confession to the `` Lipstick Murders '' was coerced .