DC Scott Cullen Crime Series7 books in series
Ghost in the Machine Summary
Caroline Adamson's future is looking up...until her mutilated body is found. Her ex-husband is the main suspect. But when one murder becomes three, Edinburgh faces up to the fact that it might have a serial killer in its midst.
Could the answer lie with Schoolbook, the latest social media craze to hit the city? DCI Cullen is determined to prove himself and equally determined to find justice.