A plain-clothed police unit has been formally established in Guiyang, the capital city of Southwest China’s Guizhou province on Feb 13, 2012. The new force will deal with undercover criminal investigations. [Photo/asiannewsphoto]

The plain-clothed police force has been selected among elite officers from police branches in the city. Their mission is to safeguard people’s lives and property, and crackdown on crime while their identity is concealed. [Photo/asiannewsphoto]