An ex-boyfriend of Rivas Hernandez has come forward, claiming she had an unhappy home life and had talked about running away. An ex-boyfriend of Celeste Rivas Hernandez is speaking out about his alleged past relationship with her in middle school. He told the publication that Rivas Hernandez was "looking for something serious" and that her troubled home life made her unhappy. Hernandez told TMZ that Rivas Hernandez talked about running away from her Lake Elsinore home and even joked about it at school. RELATED COVERAGE: Celeste Rivas: Video from former teacher could be 'smoking gun' in caseHe said Rivas Hernandez returned home but disappeared again the following month.