Some relevant into: https://en.m.wikipedia.org/wiki/Suicide_watch https://en.m.wikipedia.org/wiki/Suicide_watch I was surprised to learn that it's often periodi

Some relevant into: https://en.m.wikipedia.org/wiki/Suicide_watch https://en.m.wikipedia.org/wiki/Suicide_watch I was surprised to learn that it's often periodic, not continuous. There is probably one guard on duty at most for a given cell, and when they go use the rest-room, there may be no-one watching