They wanted to get the harder person first. They did the hard thing first and finished with the easiest. also they probably didn't want to get caught by the sniper if they shot the woman first.
Throughout the horrors of his captivity, Wiesel states that he needed to be strong for his father. He needed to survive for his father. After his father's death, he no longer feels as though he has anything to live for. It can be assumed that he no longer paid attention to the world around him. His lack of detail about that is due to the fact that he no longer cared about what was going on.
Fewer employs would be the correct terminology since you are not describing what is less of the employs.
Ed appears to be in the first stage of psycosexual development