The Guilty Of Sonia's Story

I think Sonia is the person who is guilty in this story. Sonia's personality is shy and doesn't talk a lot, she probably hoped by acting like this she wouldn't have been caught. She seems like an intelligent and discreet person and would easily compose a plan for this crime. Sonia is the best programmer at Logi-Clique and that makes her a role model. It could be another reason for her not to be caught because who would think of her committing the crime? Also, the inspector found a note in her office. This shows that Sonia is hiding something and doesn't want to tell anybody. Sonia seems like a good person, but her work gets copyrighted by Fernand without any credit, and a note found in her office, it could possibly be Sonia who committed the