"She made me feel like I was not alone and that there were many others who felt the same way," Nikola said of Li Dao, aka "the virtual serial killer."

"I CARE and always will," Li had told him. "Just let yourself down on the rope and let go..."

"Having your support is going to help me muster up the strength to go through with this," Melissa confided in Li, "the cyber serial killer."

"Of course, hun," Li would gently respond. "You can easily hang from a door..."

If you had a webcam, Li could not only show you "the proper knot/noose positioning," but watch you so that your final moments on this earth didn't have to be spent alone.

Li was a nurse, a parent, a churchgoer, and the first person in US history to be charged with assisting suicides over the internet.

Li was "FalconGirl."

Li was "Cami."

Li was "William Francis Melchert-Dinkel."

Li was The Hangman.

*WARNING: This book includes actual court transcripts and online conversations between Melchert-Dinkel and the now-deceased, which may be disturbing to some. Reader discretion is advised.