Look back on PEOPLE's initial profile of Melissa Moore after she decided to go public with a book about her life as the ...

"Happy Face" is "inspired by a true story," according ... loving relationship she had with her father as a child with the monster her father was in reality. That's where our story comes from." ...

The true story that inspired “Happy Face,” a Paramount+ series about Keith Hunter Jesperson and his daughter Melissa Moore, plus what she said about him.

"How do you reconcile having that loving dad, with this monster, what he did? That’s basically what the show Happy Face is about. That's what makes it different from a lot of other crime ...

Now that you have a feel for who this monster is, let us dive into the series that sets out to recreate his life. Dennis Quaid stars as the Happy Face Killer and Annaleigh Ashford is the killer ...