Since the series ended, so many of you have got in touch wanting to know more. With the help of criminal psychologist Dr Julia Shaw, Josh answers your questions.

Presenters: Josh Baker and Dr Julia Shaw (host of the Bad People podcast on BBC Sounds) Mixed by: Tom Brignell Producer: Joe Kent Production Co-ordinator: Janet Staples Editor Emma Rippon

“I’m Not a Monster” is a collaboration between BBC Panorama and FRONTLINE (PBS) and is a BBC Long Form Audio production for BBC Sounds.