内容简介：
Kenneth Flint, a harmless old man, was shot in the chest, and the gunman left no trace behind him. As DS Mark Pemberton and his team begin to dig, Flint's unsavory character comes to the surface. The villagers kept their children away from him, so it looks as if this is a revenge killing. Then two similar murders occur in different parts of the country and it seems certain the killer is on a mission. With no forensic evidence to work with it's like looking for a needle in a haystack - until something as small as an orange pip proves the sniper's undoing...