Its common sense. And quite frankly I don't think he needs to expand on it, that takes time away from the investigation. And right now that should be first and foremost
Bottom line is if you can't prove it with facts then don't post it. This has ALWAYS been WS policy. You need to back up your statements with articles from MSM or the like.
IF MSM provides inaccurate information, then linking to MSM article isn't going to provide accurate information. There already were a bunch of stories in MSM that might not be accurate. Such as him trying to purchase a weapon-true or false? Nobody knows. Or about an altercation between him and school staff the day prior-I believe that one is false.
His mother being a teacher in the school-also apparently false.