A lot goes into these investigations that make it frustrating for people who want info. Unfortunately conducting these sorts of things requires the cooperation of big companies and bigger governments, all juggling issue concerning privacy, various legal concerns and, most important of all, the integrity of the investigation.
It's really in no one's best interest to release details until they can be confirmed, which can take quite a while or may not even be wise if it threatens the integrity of an on-going, dynamic investigation. Various pieces of data and other information may be subject to export rules and regulations or any number of other laws that makes getting the right information to the right people an often laborious process. Can military data be shared with a commercial entity and/or foreign government who can best interpret it? What steps need to be taken to allow that? That sounds boring and mundane and unnecessary, but you'd be amazed at how time consuming it can be to just do that coordination even when the picture is clear from the start. Here it's a mess and that can really complicate things.
that was hard to read...
