"It's because of the pop culture," said Ramona Findley, a Los Angeles police detective who heads the department's graffiti task force.
“这是因为流行文化，”负责洛杉矶警察局涂鸦专门调查委员会的警探雷蒙娜?芬德利说道。
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But Findley stresses that any viral illness can trigger it, "and we have no evidence that swine flu will be any worse, so you have to keep it in context".