Happy Face Killer Vs. Smiley Face Killer: Differences
Whether you call it a happy face or a smiley face, the ubiquitous emoji — two dots and a curvy line tucked inside a circle — communicates a message that’s all about a happy vibe. The fact that this iconic symbol is associated with not one, but two serial killer cases is doubly disturbing. The goofy grin has been turned into a tool of terror in some cases.
Source: oxygen.com