RJ PARKER PHD, is ranked in the Top 100 authors on Amazon in Biography and History.
RJ is a Canadian Author who has written 20 true crime books and co-authored another 10 books, and published over 150 books for other authors which are available in eBook, Paperback and most in Audiobook editions and have sold in over 100 countries. He holds Certifications in Serial Crime and Criminal Profiling.
"Parker amazes his readers with top notch writing and idealist research. The Canadian writer has a better grasp of criminology and the psyche of a serial killer's mind than most people who spend a lifetime in a professional field chasing criminals and diabolic fiends". -- John Douglas (Retired FBI Agent - Behavioral Science)