First of all what a horrible job who would choose that. But if I had no choice but have that job then I think the worst part of my job would be witnessing others being mistreated. I would hope I could do the right thing and stand up but I have a pretty weak personality that's another reason that would be the worst job for me.
I think that it'd be most difficult to have to be a part of holding them in prison since they've been charged with no crimes, and often are unable to even know the charges/evidence that would be used against them. Hmm, so, yes, either that *or* the hardest thing might be knowing that despite nearly half a century of propaganda, the only people in Cuba holding prisoners without charges are Americans.
my problem would be not having any bias. 'alleged' or not, the definition of the word 'terrorist' is imprinted in my brain as a ruthless killer who will stop at nothing to kill or injure his/her target. all based on a skewered idea/hunch that we are evil. I can be sympathetic, but when you spit on me, i spit back.