KEEPING WATCH When dog trainer Kaitlin Mathers is attacked, Texas K-9 Unit captain Slade McNeal is determined to keep her-and what's left of his family-safe from harm. But soon Slade realizes nothing's safe, including his dogs, his son or the beautiful woman who's opening his heart.When Slade realizes the enemy might be closer than he ever dreamed possible, he vows to see justice served. But can he save Kaitlin before it's too late to tell her he loves her?Texas K-9 Unit: These lawmen solve the toughest cases with the help of their brave canine partners