Happy Face Killer

Happy Face                                      

Happy Face Killer                                

Crimson Cult Media

Happy Face: A Family of Monsters                

The Town                                        

Maplewood Publishing

The Happy Face Murderer: The Life of Serial Killer Keith Hunter Jesperson (Serial Killer True Crime Books Book 3) (English Edition)

Independently published

The Happy Face Killer: A Daughter’s Reckoning with Her Father’s Crimes: 13

Cogan - Killing them softly                      

In Bruges: La coscienza dell'assassino          

Sicario                                          

Maximum Verlags GmbH

Im Kopf des Bösen - Der Happy Face Killer: Kriminalroman - Authentischer True-Crime-Thriller von der SPIEGEL-Bestsellerautorin Petra Mattfeldt und Deutschlands bekanntestem Profiler Axel Petermann