jǐng fāng / jīng guò / duō rì / diào chá / zhōng yú / zhuā zhù / le / zhè ge / fàn zuì / tuán huǒ / de / tóu zi警方经过多日调查,终于抓住了这个犯罪团伙的头子。After several days of investigation, the police finally caught the leader of the criminal gang.