Buried Secrets - Carol Ericson

They've been warned to stay away, but they won't be deterred that easily.

To halt construction of a casino on Yaqui land, ranger Jolene Nighthawk plants damning evidence. But she's caught by her ex Sam Cross, a Border Patrol agent with his own interest in the land…and Jolene. There may be bodies beneath the desert, victims of a murderous cartel. As Jolene and Sam investigate, they find that theirs may be the next bodies hidden in the Arizona sand.

Last Stand Sheriff - Tyler Anne Snell

A lawman finds a new clue that leads straight into danger.

Haunted by an unsolved case involving his family, Sheriff Declan Nash had hoped his recent vacation would help clear his head. And it worked. But just as his family's abductor steps out of the shadows, Remi Hudson, a woman from his past, reveals he's going to be a dad. Now, as Remi suddenly becomes the target of repeated attacks, Declan will do anything to keep her and their unborn baby safe. Even though someone is trying very hard to make sure that doesn't happen.