This scream is listed under the name Billy's Scream and credited to Eddie Mora, with its published description identifying CapCut as its source. That link helps explain its spread, because CapCut clips are easily lifted, reused and remixed across short-form video, where a single startled vocal can become a reusable reaction. Rather than belonging to a single film or show, it circulates as a standalone editing sound, valued for its immediacy and recognisable panic. Creators keep returning to it because three seconds is enough to sell shock without slowing a fast-paced edit.