Smoking gun, end of conversation.
................
Come on, keep an open mind...this is an investigation.
We're pilots right? We observe what we see for what it is at the time, apply the procedure, then
observe for more information, and reassess.... right?
Sure, discuss here, and even speculate, but, do you want to be the pilot here who announces that their mind is closed to more information about the event? Pilots with closed minds miss new and possibly important information (and sometimes end up looking foolish).