Shield of Honor Series by Dee Henderson

Police Chief Luke Granger's witness to a murder, Amy Griffin, has been on the run for years. Her family thinks she was murdered eight years ago, but Amy chose to accept a life in the shadows in order to protect her sisters' lives. Now unveiled secrets about their father have thrust the sisters into the public spotlight. The man who wants Amy dead now sees her sisters as the way to locate her. Luke and two of his homicide detectives are determined to stand in the way... morePolice Chief Luke Granger's witness to a murder, Amy Griffin, has been on the run for years. Her family thinks she was murdered eight years ago, but Amy chose to accept a life in the shadows in order to protect her sisters' lives. Now unveiled secrets about their father have thrust the sisters into the public spotlight. The man who wants Amy dead now sees her sisters as the way to locate her. Luke and two of his homicide detectives are determined to stand in the way. They are each falling in love with a different sister, and it's become a personal mission to keep them safe. But chances are that at least one of them will fail, and facing the future will take a faith deeper than any of them currently knows. less