There are a plethora of security cameras covering the takeoff area to monitor for obstacles and unauthorized personnel as well as plenty of cameras covering security fences that likely have partial coverage of the interior area... lastly, there are multiple things recording everything the plane does including in the air traffic controller tower and the plane's black box.

Whether the folks controlling these recordings would publicly release them is debatable (especially as it may be seen as being in bad taste due to the trauma these folks experienced and especially especially if anyone had died or ends up dying from injuries sustained).