Melissa Moore is an author and advocate best known for her work reflecting on her life as the daughter of the infamous serial killer Keith Hunter Jesperson, who is often referred to as the "Happy Face Killer." She has shared her experiences to help others understand the effects of living with a violent family member. In her memoir, "Shattered Silence: The Untold Story of a Serial Killer's Daughter," Moore candidly explores the emotional trauma and the journey towards healing and overcoming the stigma associated with her father's crimes. Additionally, she has been featured on various media platforms to speak on issues involving family members of criminals and has worked to support others in similar situations.