Twist Of Fate: The Locket

Description for TWIST OF FATE: THE LOCKET by John Saul:

PART 2

Jules Hartwick should be on top of the world. He has a distinguished career as president of the First National Bank of Blackstone, and his lovely daughter will soon be married. But his contentment is shattered: he's under investigation by the Federal Reserve -- and that frightening audit threatens the financing of the Blackstone Center, which is slated to rise on the site of the old Asylum. And now, late at night, after a lavish dinner party, the Hartwicks receive a mysterious package containing a silver locket. Who sent it? Why? Jules has his own suspicions, as this second sinister gift unleashes a bloodcurdling chain of events....

This is #2 in Blackstone Chronicles.