Stop Jail Escape

We're now inside a prison which is located in a remote area. Criminals from various states are brought to there for long time imprisonments. One such a criminal who was convicted of murder is locked up there along with others. He is planning an escape by penetrating the prison cells wall since that wall is the boundary of the prison so getting passed that wall means escape from that prison. Find the keys for the cell and catch him before he escapes.