As Peacemaker gains the upper-hand against Senator Goff, he says, "Peace out, motherf***er" and fires a single shotgun blast into Goff's face. In most cases, this would mean the end of Goff's character, but not on "Peacemaker." As Peacemaker and Vigilante prepare to reunite with the rest of the team upstairs, the two notice a small creature crawling out of the face of the late senator. As the creature takes to the sky with a flapping of its wings, Peacemaker knowingly remarks, "Oh, Project Butterfly," just before the episode ends with a tease that "suspected butterflies" are all over the world.
Episode 3's reveal of the literal butterfly inside Senator Goff's head is a major clue to the entire mission at large, a subject about which Peacemaker actually knows frighteningly little. Is the goal to kill all butterflies or just the ones Amanda Waller (Viola Davis) says? When Peacemaker gives Murn intel that proves that the seemingly happy family of four is actually entirely composed of Butterflies, the task force captain quickly relays orders to kill them all. Does this mean all Butterflies are as dangerous as the woman who attacks Peacemaker in Episode 1?
Given everything we've learned about the group so far, it seems fairly obvious that literally anyone, even people we think we know, could secretly be a butterfly.
