A Trace of Blood — Bill Rogers

Semi-Finalist in the Amazon/Penguin Breakthrough Novel Award 2009 Niamh Caton, and Tom Caton. Two people with a common ancestry, separated by an ocean. Each of them in a city named Manchester. Neither aware that the other exists, until a sequence of sudden and inexplicable deaths throws them together in a desperate race to catch a killer. Part of the DCI Tom Caton Crime Fiction Series. A thriller incorporating an ancestry search that traces historic migration from Ireland to the America. Set in Manchester New Hampshire, Vermont, Kerry in Ireland, and Manchester England.