Implausible

Couldn't she have met him some other way? Why kill someone and pose as a nun? She wasn't even convincing at that. What nun wears obvious eyeliner especially if they're trying to hide their true identity? Also what school hires someone without meeting them especially at a catholic school.
I also couldn't figure out what was so
earth shattering about this kid he had the personality of a box of rocks. He had one facial expression and no style. He also aspires to be another Justin Bieber-lol.