Dr Chris Merritt was a diplomat before returning to the UK and retraining as a psychologist.

He began writing in 2014 and is now the published author of 6 books including the terrifying thriller Knock Knock. In Knock Knock Chris delves into the hateful realm of incels, the slang term for Involuntary Celibates. It’s a world online that’s spilled into actual physical attacks and murder - these are men who congregate in a twisted community bonded by their hatred of women because they are unable to form intimate relationships.

Knock Knock is the first of three books in the Lockhart and Green series about ex-soldier Dan Lockhart, now a murder investigator in London’s met police and American-born clinical psychologist Lexie Green who treats post-traumatic stress disorder at a mental health clinic.


Thanks to Chris Merritt

Knock Knock is published by Bookouture

Purchase Knock Knock in our Bookshop

Your host is Emily Webb

Emily is the author of Angels of Death: Doctors and Nurses Who Kill

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