Silent Trigger — B.J. Bourg

Days after Police Sniper London Carter resolves a hostage situation at a local business, Detective Sergeant Dawn Luke calls upon him to assist her with a mysterious death investigation. They end up facing numerous roadblocks in their quest for the truth, including an unidentified body, uncooperative witnesses, and a killer tornado.

As they push forward in the case, they start to realize there might be a bit of a romance brewing between them, but the case is growing complicated and dangerous, and if they're not careful, one of them could end up on the morgue slab.