After lying dormant for 10 years,an elusive serial killer strikes again,leaving few clues—and the only way for FBI Special Agent Riley Paige to catch him in the present is to solve the riddles of the pgsk.com are turning up dead,and in this dark psychological thriller,Riley Paige realizes she is in a race against pgsk.com murders of the past were too perplexing to be solved back pgsk.com Riley solve them 10 years cold?And connect the dots to the present-day crimes?When Riley finds her personal life in crisis,playing cat and mouse with a brilliant psychopath may just be too much for pgsk.comlly since there is something that is just not sitting right with this case…