Reply #10: Sounds like the normal rumors and uncertainty in a story like this.

[jobycom]

People who had no idea what was happening on site giving confused impressions--every mass killing I know of was originally reported to have more than one gunman, for instance--and a thousand news sources each trying to trump each other with more shocking and attention-grabbing rumors uttered by a paranoid public and a group of casual acquaintences wanting attention. I can't even tell from the chit-chatty tone of the writer what he thinks is being covered up and what he thinks is being planted.