That whole Parkland thing was a set up. People can, and do die, in FF events. They are considered collateral damage. Unfortunate sacrifices, bumps in the road for the greater cause.
The Parkland shooting was as bizarre as the Vegas shooting.
Notice how the real victims are all but forgotten. Many of the families of those victims are ignored when they desire to speak out.
mark
Remember, in Islam all are in the Jihad whether as active or merely by slanders. There are no innocents, only believers or infidels. If a believer dies as a byproduct of infidels dying they are martyrs.
This same twisted thinking is applied to those that must die for the cause. Whether they knew the game or not they are in it and the ends do justify the DS means.