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Join bestselling author Jo Callaghan in conversation with Dr Charley Barnes, as she launches the final book in her Kat and Lock series, Body of Lies. 

Waterstones will be joining us at the event to sell copies of the book.

‘A crime writer of exceptional quality’ Steve Cavanagh

‘Just brilliant!’ Lisa Jewell

Human suspicion. AI manipulation. Who can you trust when truth has no meaning? DCS Kat Frank returns to work at the Future Policing Unit after a tragic loss, only to find herself thrust into a new high-profile case. On the night of Halloween a local MP is found murdered, with a taunting message written in binary code that seems to target Kat specifically: Catch me if you can.

The victim’s anti-AI sentiments suggest a political motive, and as Kat investigates with her partner AIDE Lock – the world’s first AI detective – she finds herself once again battling her own prejudices about the technological future he represents. But when a cyberattack takes out the National Grid, Kat and Lock have to race against the clock to track down the hacker before thousands die.

Tangled in a web of suspicion and deception, Kat must choose who and what to believe when the truth seems to defy both instinct and logic. Can she set aside her old doubts and put her faith in her AI partner one last time? Or will this case send Lock down a path she just can’t follow – a path that will leave humanity behind for good?