Book excerpt: A Dark Redemption introduces DI Jack Carrigan and DS Geneva Miller as they investigate the brutal rape and murder of a young Ugandan student. Plunged into an underworld of illegal immigrant communities, they discover that the murdered girl's studies at a London College may have threatened to reveal things that some people will go to any lengths to keep secret... Unflinching, inventive and intelligent, A Dark Redemption explores a sinister case that will force DI Carrigan to face up to his past and DS Miller to confront what path she wants her future to follow.