The Coercion Key — Catriona King

Belfast's Suicide When a series of suicides occurs within a short period of time, and every one is committed by a person with everything to live for, Marc Craig's suspicions begin to rise. On investigating, Craig's team enters a world that links cyber reality with real lives, where respectable facades unravel to reveal hidden identities. The Coercion Key. Book Seven in the Craig Crime Series."