Frank Grillo said in an interview that he would only return if the script is really good and James DeMonacco will have something to do with the movie.

Actor Rotimi Paul rode the New York City public subway to his audition for the role of Skeletor in full costume makeup.

Tentatively called "Purge: Island". This movie was filmed in Buffalo, NY and doubled as Staten Island, NY.

No character from any of the previous installments will be returning.

The poster for the new Halloween (2018) film can be seen in Isaiah's room. Blumhouse Production Company is behind both the new Halloween film and The Purge films.

James Demonaco said in a interview that he doesn't think he will direct this fourth film only write and produce it.

Confirmed on January 30th 2018 to be titled "The First Purge".

The poster for the film shows a picture of a red hat with the slogan "The First Purge." This is a reference to President Donald Trump's red "Make America Great Again" hat which was used throughout his presidential campaign.

Has been revealed to be a prequel.

Frank Grillo will not reprise his role as Sgt. Leo Barnes in this fourth installment

The first Purge movie not to be directed by James DeMonaco.

Bradley Fuller might come back to produce this film alongside Blum, Bay and Form

Melonie Diaz's second film in which characters must fight for survival by killing others, the first being "The Belko Experiment".

The first mid-credits scene is a newscast expressing the success of the Purge, and how as early as next year, there could be a "nationwide Purge," thus setting the stage for the films set later.

Nya (Lex Scott Davis) barely escapes from being pulled into a floor grate, and refers to her attacker as a "p#ssy-grabber", a clear reference to one of Donald J. Trump's controversial remarks prior to becoming President.

Despite the fan theory and speculation that President Charlene Roan (Elizabeth Mitchell) would be assassinated in this film leaving Minister Edwidge Owens to ascend into the presidency and for the annual purge to resume. This theory was proven to be false once it was revealed that this film would be a prequel. Since this film is in fact a prequel in The Purge saga, Charlene Roan can't be assassinated. We last saw her in The Purge: Election Year, having survived at leasts 18 annual purges. The end of that film showed her to have succeeded in becoming president.