C.A.T. (密殺戰群) is a manhua series by Pang Fung Chin.
The third World War is nearing. Each super power country is going through a communications war to prepare for it, a war to obtain the top profiles' information of enemy countries using the Russian's secret weapon BEAR, China's Hao Long, and the United State's Confidential Assassination Troop, a.k.a. CAT.