Gently come Knocking by Cole McCade

Malcolm Khalaji is one paternity test away from a breakdown.
When a one-night stand from a year ago shows up on his doorstep, she’s bringing more than a trip down memory lane — and her little bundle of joy may just be a bundle of trouble if it turns out the baby is actually his.
Especially when he and Seong-Jae are called back to active duty, partnering again with Internal Affairs on the murder of a fellow officer, caught on tape and seemingly cut and dried. But nothing is easy about this case, and what looks simple on the surface hides something deeper. Something that crosses Santiago Vasquez’s path.
And Vasquez isn’t feeling too cooperative.
Not when Malcolm and Seong-Jae are working another case under the table. Anjulie’s asked them to find Daniella Vasquez, living or dead.
But can Malcolm keep his head in the game, as years of buried trauma boil to the surface?
Or will Seong-Jae be left to shoulder this alone, when Malcolm succumbs to old pains?