The Barrister Butcher, a copycat killer who goes on a savage rampage. His victims are lawyers, and in their gaping mouths he leaves their own business cards and a grim message: "The first thing we do is kill all the lawyers."
Used availability for Marc Berrenson's Kill All the Lawyers
August 1994 : USA Mass Market Paperback
April 2014 : USA, Canada, UK Kindle edition