Crossing the Line — Kierney Scott

Beth is still reeling from a hit ordered by 'El Escorpion', the notorious cartel leader she has relentlessly pursued for the last six years in her role as DEA agent.Reunited with her lover and undercover agent Torres, who is now her husband, and raising their adopted daughter Alejandra, she should be happier. But her role in the tragedy eats away at her, as does her final fling with her old partner Patterson, which she has hidden from Torres...
So when truths are exposed, Beth and Torres' fierce passion turns into an embittered battle. Beth's only desire now is to track down El Escorpion once and for all. But will her search for justice cost her everything?
Don't miss the exciting last book in The Firing Line series:
Book 1 - Blurring the Line
Book 2 - Holding the Line
Book 3 - Crossing the Line