Taken by the Lawman by Rhonda Lee Carver

She’s his boss. Can he handle her?
Kiersten Cade has always been skilled at catching criminals, bur finding Mr. Right not so much. Lately she’s been feeling a void that work no longer fills. Not getting any younger, she decides to steer her trajectory toward motherhood. She’s ready to take the next step into single parenthood, until a dashing, green-eyed Lawman sends her life compass all out of whack.
Agent Deegan Bronx is known for his cool-hand and polished skills, but why is it that every time he gets around Kiersten he’s a blubbering idiot? Not only is she his boss, but she thinks he’s incompetent. When they are partnered to find the monster wreaking havoc in Wyoming he’s hell-bent on proving his capabilities. He finds outs she wants a baby and he sees the perfect opportunity to show her he’s the best man for the job.
Together they’ll face peril and deceit, but what neither of them expect is the danger brewing inside their hearts.