MEMORY SWEEP A call for help from an FBI agent with nowhere else to turn has Mack Bolan racing to Seattle, but he arrives minutes too late: the agent is ambushed before he can be rescued. Hurt during the attack, Bolan can't remember who he is or why he's there. All he knows is that he has something important to do or thousands will die. Piecing together the fragments of his memory, Bolan realizes that a deadly virus is about to be handed over to a...