Threat zero

"A convoy of cars carrying several family members of the President's cabinet to Camp David for "Family Day" is ambushed, killing and wounding wives, husbands and children. Immediately in the aftermath, Vick Harwood watches a Facebook live feed of his former ranger buddy Sammie Samuelson's apparent suicide and confession in his Thurmont, Maryland apartment, just one mile from Camp David. Remnants of a firefight are in the background: sniper rifle, rocket launchers, and ammunition. Simultaneously, an intruder breaks into Harwood's house. Harwood arrives in Thurman to investigate the suicide and, with the help of attractive FBI agent Valerie Hinojosa, traces evidence left by Samuelson to a fiendish plot involving transnational terrorists and domestic political opponents"--Provided by publisher.