Paramount+ released a trailer Monday for the true-crime series Happy Face, tracing the former truck driver's murdering spree.

Moore, who, at age 15, discovered that her father was the prolific Happy Face Killer. As an adult, Moore has changed her name ...

Take a look at the trailer ahead of its release on March 20.

Moore, who at age 15 discovered that her father, Keith Hunter Jesperson, was the serial murderer known as the Happy Face ...