[Oldeconomybuyer]

WTOP - The driver, who was about to begin his morning run, was at the top of bus' steps. The door to the bus was open when the shooting occurred, said Maryland State Police Cpl. Rob Moroney.

Montgomery County school district spokesman Brian Porter said there will be no mid-day bus run for morning kindergarten students.

Porter tells Channel 5, kindergarteners who usually take the bus home at mid-day will be held in school until day's end, and will be bused home then.

[Hatteras]

The bus driver was about to start his morning run the article says. The run according to the schedule I just posted started at 5:18am. This wasn't called in until about 5:45am as I understood it. This shooter had plenty of time to leave the city before someone found the bus driver.

So far, no mention of witnesses at the time of the shooting.