The Raven #2,in A Coffey & Hill series, by Mike Nappa
A street performer known as The Raven picks his audience's pockets while they watch. In one city councilmans wallet, he finds not money, but compormising photos of the councilman and his "personal assistants", The Raven decides to blackmail him. Soon the Ukrainian Mafia is after him. Its up to private investigators Trudi Coffey and Samuel Hill to sort out the clues and save hundres of lives.