Our good friend @clarityofsignal has done some really good research on this somewhat staged event:
Extensively documented with many photos, Extensive Post Reveals Drills, Anomalies and Child Actors Involved With Parkland School Shooting in Florida on February 14, 2018 (N.S.F.W.) (note: initially censored by a Steemit witness)
If you really want to dig into the Parkland shoorting, the above articles are must read!
Images from first article link above:
He also does outstanding work on exposing the White Helmets.