Obvious in Retrospect

Really, in the dream last night, I should have spent less time inspecting the framework mechanized Tyrannasaurus Rex for points where a gun could disable it, and more time wondering at the other centerpiece of the convention, the 30 ft. tall mechanized  Godzilla. 

At least I had he presence of mind, when the Godzilla went on its rampage, to divert the attention of the hidden mastermind operating it, through shouted insults.  Then it was a simple matter of trying to figure out how to disable it AND trace the operator, while being chased around campus by a Godzilla operated by a madman intent on bloody revenge.  Sadly, a dunk in the pool, just proved it was waterproof....