already defined member with same parameter types. Line 67 What am I doing wrong

using UnityEngine; using UnityEngine.UI; using System.Collections;

public class TextController : MonoBehaviour {

 public Text text;
 private enum States {cell, mirror, lock_0, sheets_0, cell_mirror, sheets_1, lock_1, freedom};
 private States myState;

 // Use this for initialization
 void Start () {
     myState = States.cell;
 }
 
 // Update is called once per frame
 void Update()
 {
     print(myState);
     if (myState == States.cell)
     {
         state_cell();
     }
     else if (myState == States.sheets_0)
     {
         state_sheets_0();
     }
     else if (myState == States.lock_0)
     {
         state_lock_0();
     }
     else if (myState == States.mirror)
     {
     }     state_mirror();
 }
 void state_cell () {
     text.text = "You are in a prison cell, and you want to escape. There are " +
                     "some dirty sheets on the bed, a mirror on the wall and the door " +
                     "is locked from the outside.\n\n" +
                     "Press S to View sheets, M to view the Mirror, or L to view the lock" ;
     if (Input.GetKeyDown(KeyCode.S)) {
         myState = States.sheets_0;
     }
     if (Input.GetKeyDown(KeyCode.L)){
         myState = States.lock_0;
     }    
 }

 void state_sheets_0 (){
     text.text = "You can't believe you sleep in these things. Surley it's " +
                 "time somebody changed them. The pleasures of prison life " +
                 "I guess!\n\n" +
                 "Press R to Return to roaming your cell";
     if (Input.GetKeyDown(KeyCode.R))
     {
         myState = States.cell;
     }
 }
 void state_lock_0()
 {
     text.text = "It's locked from the outside, doesn't look like there's anyway to pick it " +
                 "If I could get my hands on a key that would help \n\n" +
                 "Press R to Return to roaming your cell";
     if (Input.GetKeyDown(KeyCode.R))
     {
         myState = States.cell;
     }
 }
 void state_mirror()
 {
     text.text = "Just a dirty old mirror, looks like you could take it off the wall though\n\n " +
                 "Press T to take the mirror, press R to return to the cell.";
     if (Input.GetKeyDown(KeyCode.R))
     if (Input.GetKeyDown(KeyCode.T))
     {
         myState = States.cell;
     }
 }

}