By now you've probably heard of that security robot that fell into a fountain in Washington, DC-- it's practically the stuff of legend as far as the internet is concerned. But what really happened on that tragic day? We're starting to get a clearer picture. Bisnow has learned that the robot, a Knightscope K5 nicknamed Steve, was neither the victim of a pushy human nor showing signs of trouble before it took its fateful plunge. It was supposed to follow a prescribed route that kept it out of harm's way, so the robot had to have made a decision to veer off the beaten path. Management and security staff had trained with the robot days before, too. But what was the cause?