Omar Mateen is an actor, who played the part of the Orlando massacre shooter. His IMDB movie profile was SCRUBBED shortly after this revelation. Some people, however, are likely still are under the impression that this was a real shooting.

https://archive.org/details/PulseMassacrePatternEmerges

https://archive.org/details/PulseMassacreNoObituaries

https://archive.org/details/MeetPatienceCarter

https://archive.org/details/PulseClubMassacreStoryUnravels

https://archive.org/details/PatienceCarterCrisisActor