Deadlock

In this gripping FBI thriller by bestselling author Catherine Coulter, agents Savich and Sherlock grapple with two intricate mysteries. A young wife, connected to her late grandfather through a medium, faces a haunting secret, while a vengeful psychopath threatens to dismantle Savich's family. As three mysterious red boxes arrive at the Hoover Building, containing cryptic clues only recognized by agent Pippa Cinelli, she must go undercover amidst lurking danger. Time is of the essence as they race to unravel the puzzles and confront the looming threats.