SAN FRANCISCO (CBS SF) — San Francisco is using a new tactic in its continuing battle against graffiti by suing the alleged taggers.

“We paint it over, they come right back again,” Rachel Gordon with San Francisco Public Works said.

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The city is spending about $20 million a year in its losing battle with graffiti.  One alleged tagger is being sued in civil court, where it’s easier to get a conviction, and where she will have to pay $50,000 if convicted.

“This is just another tool in the city’s bag to deal with vandalism,” Gordon said.

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The suspect goes by the name “Cozy TerrY” and might not have helped herself by posting wall tags on social media, with a woman officials believe is her in action.

“It gives you a rush.  Once you do it, it’s like, hey man, I’m here.  When you were little you’d write on your desk in pencil, ‘James was here,’” a former tagger told KPIX 5.

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Police say 90 percent of tags in San Francisco are from the same people.