Melissa G. Moore was having breakfast with her father, Keith Jesperson, at a diner when he almost exposed his secret double life.

Moore was 15 when Jesperson, a prolific serial killer infamous for drawing smiley ... "He used to love riding his bike, and he always wanted us kids with him," she shared. "He was a very hands ...

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

Serial killer Keith Hunter Jesperson left a trail of horror across the West Coast, including the grim discovery of a body ...

Melissa G. Moore’s father was known as the “Happy Face Killer” and murdered at least eight women between 1990 and 1995. Here ...

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

Serial killers are very easy to play,” Dennis Quaid told The Post. “Because they really kind of don’t have any emotion. They ...

Melissa Moore also recalls her last phone call with her dad on Father's Day–and the eerie final message he gave her.

The “Parent Trap” star portrays Keith Hunter Jesperson in “Happy Face,” which begins streaming Thursday on Paramount+.