Billie Jean Dunn: Covering for Adkins, or Directly Involved?

Is Billie directly involved, or is she covering for Shawn?She is directly involvedShe is covering for Shawn pollcode.com free polls"Pat Brown calls everybody a psychopath." I remember being told that years ago, which prompted me to purchase her first book. Was a serial killer one who murdered for a thrill, but had to have a 'cooling off period' of significance, and then kill again, in order to