Goldman put a lot of time and energy into making an example out of this guy. He blatantly "did it" - they had recorded phone conversations of him talking to his new boss and uploading code immediately after. I know the details because we received almost weekly reports on the case via the corporate intranet (in the "news" section). Goldman wants their people scared so nobody else tries this.
I always found it a bit odd because the court sentenced this guy to 8 years. Ummm... ok. But why is Fabrice Tourre still walking around? Justice indeed.