Shadows of Death - Soldier of Death Series, #3

A portal has been opened. And unthinkable terror lies beyond.Gray Brooks used to be alone. But that was before he died. Now the retired Marine has returned to the land of the living, with supernatural abilities he barely understands. And he is determined to use them for good. Gathering a family of friends and allies, he fights to defend the innocent from sinister spirits stalking the dark corners of our world.
But when a portal linking this realm to the shadowy netherworld of the dead is revealed, Gray realizes he may be in over his head. Malevolent forces of unspeakable power lurk on the other side of the rift. And if it escapes into this world, it will wreck untold destruction. To close the portal, Gray must locate the spirit that crossed through, and send them back across the veil. But with a possessed mayor hindering his investigation, and a shadowy figure manipulating events in the background, solving this supernatural dilemma may be more dangerous than he thought.
And even if he succeeds, can Gray sentence one life to damnation, in order save others?