- September 25, 2010: Swartz begins using MIT network to pull JSTOR articles.
- Throughout September through December, a cat-and-mouse game ensues where JSTOR blocks access to certain MIT IPs, and then downloading starts again from a different range.
- January 5, 2011: MIT locates the laptop in a closet that Swartz had been using.
- January 6, 2011: Aaron Swartz is arrested.
- July 11, 2011: Swartz is indicted by a federal grand jury.
Additional indictments followed in November 2011 and September 2012. In Swartz's case, the judicial apparatus moved swiftly. As far as I understand, law enforcement became involved in late December 2010 or early January 2011. The timeline to arrest and indictment was short.
I would expect to see a reasonably quick (i.e. on the order of months) indictment of SBF. While other posters are correct to point out that there's a huge morass of complexity and murkiness around FTX/Alameda, my view is that this creates not one, but several cases -- some of them very straightforward and where I'd surely expect the DOJ to put a preliminary case together in a few months.