I can see how it can be a difficult situation for him to turn in his friend, but it's only because he's detached from the situation.
m0nastic: Just think of the people who have their cars stolen, and tell yourself that every time they steal a car and you don't turn him in then you've essentially helped screw that person over. That person could be someone just like nostromo.
Imagine young nostromo, coming to you for help. What would you do? Who would you side with? Every time they steal a car it's the same situation, except the victim may not personally know you so they won't come asking you for help.
m0nastic: Just think of the people who have their cars stolen, and tell yourself that every time they steal a car and you don't turn him in then you've essentially helped screw that person over. That person could be someone just like nostromo.
Imagine young nostromo, coming to you for help. What would you do? Who would you side with? Every time they steal a car it's the same situation, except the victim may not personally know you so they won't come asking you for help.