Wyoming Mountain Murder by Juno Rushdan

His only link to a killer is a stranger with secrets…

When self-defence trainer Charlie Sharp is nearly killed by an explosion, Wyoming detective Brian Bradshaw finds himself with a murder investigation on his hands. And worse, it involves one of his own. Now bodies are turning up, and Brian suspects Charlie knows more than she?s telling. Trusting each other is hard enough. But knowing her secrets might be more danger than he bargained for…