Bed of nails

the long version

"When John Nichols arrives to identify the body of an old friend, he is immediately caught up in the detritus of Alan Musgrave's life, the side of Paris the tourists don't see, where everyone has a past but very few count on a future. But what can he expect from a man who bled to death in his own excruciating S & M stage show? Now there's a maverick police lieutenant on the prowl who thinks that Musgrave's suicide was murder. Guérin might not look like much, but he's one of the few honest officers on the force. As the horrific extent of police abuse is revealed, the race is on to find the link between a slew of recent suicides--and the key to it is buried deep in Nichols's past."--Publisher website.