Giorgio Panetta

When a foreign diplomat is killed after sneaking into the U.S. under unknown circumstances, Colin and Bill discover that a rare mineral with potential to disrupt international relations may be the reason he was targeted.

McCall helps a mob accountant, Bert Singer (Josh Cooke), scour the city for a lost ledger of evidence he must provide to the FBI in exchange for entrance into the Federal Witness Protection Program. Also, Mel frets over how to tell her best friend, who comforted her for years about Harry's death, that Harry never died at all.