W. E. B. Griffin Direct Action (A Presidential Agent Novel) by Jack Stewart

When the original Presidential Agent is gunned down during a mass shooting, Pick McCoy swears a brutal revenge in this revival of W. E. B. Griffin's New York Times bestselling series.

Charley Castillo, the original Presidential Agent is in Virginia Beach to visit his son when two gunmen appear. Charley is able to thwart a deadly mass shooting, but he is hit and badly injured.

Meanwhile Pick McCoy is at the Naval Academy catching up with some old friends. When the news of the attack reaches him, he senses that this is no random event. While Charley clings to life, Pick searches for the men responsible and in the process uncovers a deadly plot that threatens to strike deep at the heart of American democracy.