Meet Me Under the Clock - In the Grips of Silent Terror, #2

The FBI is investigating the largest terrorist attack in the United States. It was so simple. A mask, gloves, a sliver of glass, and the worst virus known to man. The world's largest train station becomes a crime scene with its four-sided clock standing in the middle of the chaos. Special Agent Arnold Samuels is in charge of the investigation but has to make room for agents sent from the Bureau's Washington headquarters.
Agent Gina Ricci joins the hunt, but things are not as they seem.