Marshal on a Mission

This is an Apple Books audiobook narrated by a digital voice based on a human narrator. She witnessed a robbery. Now she's a killer's target. Tara Munroe thinks she's safe. Then a ruthless gang stalks her from Colorado to Mexico. Thankfully, US Marshal Trent Nielsen isn't far behind and vows to bring her home…whatever it takes. Before long, Trent realizes this mission is tough for even the most seasoned lawman. And with no shortage of men gunning for them, he'll have to stay one step ahead if he has any chance of keeping Tara alive.