Hell Is Always Today - Jack Higgins

When the body of a young woman --- the fifth to die in as many weeks --- is found in a rain-soaked alley, the city is gripped with mortal fear. A mad killer known as the Rainlover walks among them, and no one, not even the police, know when he will strike again.

But Detective Sergeant Dick Miller has more than the Rainlover on his mind --- the boxer-turned-expert-cat-burglar Gunner Sean Doyle.