Melissa Moore grew up with a father who turned out to be the Happy Face Killer. How true is Dennis Quaid's portrayal in the ...

which featured a pre-emoji written smiling face, as depicted in the series. "He'd even leave messages on bathroom walls with ...

which featured a pre-emoji written smiling face, as depicted in the series. "He'd even leave messages on bathroom walls with the happy face. That was kind of his I.D.," says Quaid. "He's not smart ...