The Homefront Directive

They called it a demonstration. The country called it a threat.

When an unknown bioagent triggers contamination alerts at a Denver water treatment facility, intelligence analyst Jack Rence recognizes what the official investigation refuses to see: this is not an accident. It is a message.

Tracing a pattern that spans seventeen American cities, Jack uncovers a network unlike anything in the threat databases. Not a terrorist cell. Not a foreign operation. Something harder to stop: a movement of...