But she was amazed to discover that there is no specific law against "upskirting" in most of the UK - only in Scotland. After the police closed her case, Gina began a petition to get it reopened, and now she is lobbying for a change in the law.
Martin's article about her experience struck a chord with many of you. We asked readers to tell us if they had been the victim of upskirting, and whether the perpetrator was punished. Here are some of your stories - names have been changed.
"I was at the bus stop"