The Mass Grave (DI Olivia Austin Book 21): A fast-paced crime thriller

A house of secrets. A killer undetected. A spree resumed... The renovation of a dilapidated building reveals some disturbing truths; namely, that the building has been used as a mass grave. As Detective Inspector Olivia Austin wonders how such a prolific killer could have gone so long without being detected, a new body is discovered. Has the killer decided to pick up where they left off? And how much time does Liv have until he turns the entirety of Newquay into a mass grave?