Threat Warning

In this terrifying thriller, New York Times bestselling author John Gilstrap exposes the darkest threat to America’s freedom, a secret society of merciless killers, watching and waiting to strike . . .

The first victims are random. Ordinary citizens, fired upon at rush hour by unseen assassins. Caught in the crossfire of one of the attacks, rescue specialist Jonathan Grave spies a gunman getting away—with a mother and her young son as hostages.

To free them, Grave and his team must enter the ...