More Than You Know — Helen R. Myers

A man who had everything to live for was dead. A baby had disappeared into thin air. And a highly respected Dallas police detective was behaving suspiciously...

They'd ruled her brother's death a "suicide," but Nicole Loring refused to believe he'd take his own life. What's more, she knew that her nephew's disappearance was somehow linked to his father's death. With nowhere else to turn, she enlisted the help of the last man she should trust...

Homicide detective Roman McKenna was living his own personal hell, but when Nicole became a target for murder he threw himself into the most puzzling case of his career. Then the sordid trail of clues led him straight to one of his precinct's own--and nothing was as it seemed...