the room. they cannot see who they are drugging at all. if they need problems or have to communicate with the warden or staff in the next room along with the prisoner they are killing through the wall, to communicate with them, "the executioners stick colored pencils through holes in the wall where two iv lines feed into the inmate's body. if you saw red, there might be possible problems" said a deputy warden. but if you stuck the yellow pencil or the black pencil through the wall, then everything's okay. that's the system. and then there's the issue of autopsies. between 2001 and 2010, during which time the state was involved in several lawsuits over their lethal injection protocols, state of oklahoma stopped autopsying the prisoners who they were killing. not one in the whole decade. for more than ten years, during which time the state altered its lethal injection protocol three times, the state of oklahoma has done nothing in terms of physical examination to actually see how it is working or what it is doing in the process of killing people.