He bought her sex toys, joked about showering with her and – in one instance – rubbed her back and pleasured himself as she slept. He was a Rio Rancho school resource officer and she was a 14-year-old relative.Those were among the allegations made against Joseph Frantz, a former Rio Rancho police officer and New Mexico Children, Youth and Families Department employee accused of sexually assaulting the teen last year at a Rio Rancho home.