A series of high-profile shootings by a lone sniper leaves Glasgow terrorised and police photographer Tony Craith - a man with a tragic hidden past - mystified. Who is behind the executions of some of the most notorious drug lords in the city? As more shootings occur - including those of police officers - the authorities realise they have a vigilante on their hands. Following in the bestselling footsteps of fellow Scottish crime authors Stuart MacBride, Val McDermid and Ian Rankin, SNAPSHOT is Craig Robertson's second Scottish thriller.