More to the story:
1) "(The police) have been investigating Google Korea LLC on suspicion of unauthorized collection and storage of data on unspecified Internet users from Wi-Fi networks," the Korean National Police Agency said in a statement.
2) "Investigators from the Cyber Terro Center of the NPA searched the Google Korea's office in southern Seoul till 17:00 local time, and confiscated hard drives and related paper documents from the office, the NPA said."
3) Google Korea later admitted it had collected some personal information but said it had not been used.
"Google has inadvertently collected some individuals' personal information in the process of Street View production in Korea and other countries. But Google suspended the production after learning of the information collection," a senior executive at Google Korea was quoted as saying by Yonhap.
"The collected personal information has never been illicitly used."
4) "Sixteen investigators dispatched to Google Korea headquarters in Yeoksam, southern Seoul, yesterday morning confiscated computer hard disks and documents. The search ended at 5 p.m. "