Heads Up: A Cold Poker Gang Mystery in Bloomington, MN

Retired Las Vegas Detectives Benson Cavanaugh and Bonnie State always worked alone before retiring. But joining the Cold Poker Gang task force push them to work together. Not something they easily want to do.
Searching for clues on a long cold missing person's case, they explore a shuttered old hotel and casino and find far more than anyone expected.
And that discovery takes them on a twisted journey through the past.
Another very, very twisted Cold Poker Gang mystery novel.