The cop (deputy), who's job it was to protect the school in Florida, hid like a coward while the kids were being killed.
So much for the police protecting you - It appears their job is to write a report and take pictures of the dead for the inevitable press conference where they will proclaim themselves heroes.
That cop was a county cop. Generally it is policy that county cops stand down in city affairs until city cops invite them. There is too much blame against these county cops who simply followed policy and waited outside for city cops to call them in to help. The city cops who were to proud to call the county cops in are the ones to blame.