By the time Frank La Salle pulled the house trailer into the El Cortez Motor Inn on Saturday, March 18, Sally Horner felt able to reckon with the changes roiling inside her. She’d already made a significant first step. Before leaving Dallas, she’d mustered up the courage to tell a friend at school that her relationship with her “father” involved sexual intercourse. The friend told Sally her behavior was “wrong” and that “she ought to stop,” as Sally later explained.