A Houston Police Department Officer faces criminal charges for allegedly being sexually involved with a 15-year-old girl, accusations investigated after the teen's co-worker alerted authorities. The department's internal affairs division began their investigation when the girl's coworker at a Chick-fil-A fast food restaurant told the authorities the officer and the teen were having an inappropriate relationship, court records state. During a November interview, the girl told authorities that she and Carrera were involved in sexual activity on her bed on Oct.