Durango (Mastiff Security, #5)

This is the fifth book of Mastiff Security Volume One, with over 50,000 words of romantic suspense. 

Durango Masters has been accused of killing his fiancée, his lover, his partner, and a random assistant he barely knew. And now a former client has been found dead, and police are eager to bring him in based on nothing more than a few fingerprints found in the victim's apartment. He's run out of second chances and friends willing to stick their necks out to help him—except for one...