"Happy Face Killer" Keith Hunter Jesperson, who is currently serving time for strangling eight women to death in the US, has ...

Jesperson became known as the Happy Face Killer because he drew smiley faces on the anonymous letters he wrote to media outlets and police departments confessing to his crimes. He murdered at ...

“Happy Face,” which began airing Thursday, is inspired by the true story of Melissa Moore, whose father was a prolific serial killer infamous for drawing smiley faces on letters to the media ...

signing letters to the media with a smiley face. This, in turn, led him to be dubbed the "Happy Face Killer," a label that proved convenient in true crime circles, where names like "The Golden ...