Here's one, not sure if it has more details than you already know: http://searchaws.techtarget.com/news/2240223024/Code-Spaces-...
The thing that I'm really curious about is if they ever managed to positively rule out the inside job angle and what if anything came out of law enforcement involvement. I assume they filed a criminal case and let law enforcement + amazon take over and what came out of that investigation would make for some very interesting reading.