Kemp “Zac” McCoy, the author of Behind the Wall, has been in prison for the last twelve years on a life sentence with the possibility of parole for the sale and possession of controlled substance. ...view moreKemp “Zac” McCoy, the author of Behind the Wall, has been in prison for the last twelve years on a life sentence with the possibility of parole for the sale and possession of controlled substance. He is currently being housed at Wyoming Correctional Facility.view less