All the Lonely People by Martin Edwards - USED

"Solicitor Harry Devlin finds himself number one suspect in a murder case that is far too close to home. The victim is his estranged wife, Liz, who is found murdered in a dingy alleyway. Determined to find her killer and prove his innocence, Harry begins a journey that takes him into the city's underworld and shatters forever his illusions about the woman he loved" -- back cover.