Chain of Fools — Richard Stevenson

Private Investigator Donald Strachey is asked to look into the events surrounding the months-old murder of Eric Osborne. His death, originally believed to be a random attack, takes on new significance when Janet Osborne, Eric's sister, survives an attempt on her life. Skeeter, Eric's lover, believed both attacks were meant to silence them before the sale of their family's newspaper. drawn into a complex family feud, Strachey must unravel the secret behind the attacks before he tries again...