Rape is a four-letter word. When police get a report of one, it flies to the top of their priority list. Even, police say, when that reaction is exploited. Sexual assaults, like other crimes, are sometimes falsely reported. People pretend to have been raped for reasons ranging from a cry for attention to hiding an infidelity. In a recent Grapevine case, police believe a woman who reported being raped in her apartment may have been looking for an excuse to break her lease. After committing more than a week of resources to the investigation, Grapevine officers concluded that the evidence...