At the end of Scream 6, Detective Bailey, Quinn Bailey, and Ethan Landry revealed themselves as killers. Their motive was that Richie was Detective Bailey's son, and Quinn and Ethan were his siblings.

There Is A Family Connection To Scream 5's Killer Detective Bailey, Quinn, and Ethan are Richie’s father, sister, and brother, respectively. They wanted revenge on Sam for killing Richie in 2022 ...