Chasing the Fall by E.R. Whyte

More than a year ago, a serial killer terrorized the small town of Lucy Falls. Now he’s back, and it’s up to me to protect the girl who might hold the key to stopping him.
I don’t want to be here, babysitting the bratty genius who always looked down her nose at me. But my boss, head of the Irish mob, has given me no choice.
With her unsurpassed tech skills, Tallulah “Twiggy” Gentry is an important asset. And that means ensuring her safey.
I’m prepared for attitude.
I’m prepared for her to make my job difficult.

What I’m not prepared for is falling—and falling hard—for this maddening sprite of a woman.
Now I just have to find a way keep her alive when a killer decides she’s next.