Behind the Badge by Renee Harless

Former FBI agent Preston Savage could settle for a slowdown. Moving to Carson and joining the local police department is the change of pace he needed.
Preston has made a lot of mistakes and he’s looking to make amends, not fall in love. . . especially with someone tied to his dangerous past working undercover.
Single mother, Shelly Johnson, has one mission in life: protect her son from his father’s sins. All it takes is one incredible kiss to turn her carefully constructed world upside down.
Preston has never forgotten about Shelly, and now that she’s close enough to touch, he’s not letting her get away. If he can earn her trust, he can keep her safe. But the closer they get, the more complicated things become.
What will happen when the truth surfaces and the past comes for both of them?