Diamonds and Departures in Las Vegas — A.R. Winters

Tiffany Black is worried and guilt-ridden about her friend Stone , so Nanna convinces her to accept a new, strange case.

A diamond thief has been murdered, and his girlfriend and co-conspirator want Tiffany and Ian to investigate what happened. But when the client has secrets of her own, and the victim was obviously a criminal, how can Tiffany and Ian uncover the truth?

Meanwhile, Ian has grand plans of his own...