We enhanced our communication with the immigration department and the police for more effective exchange of intelligence and inter - departmental enforcement operations 。此外，我们与入境事务处和警务处加强联系，以便更有效交换情报和进行跨部门执法行动。
2.
Proceeds of drug trafficking and is a good example to show the close co - operation between the hong kong police and overseas law enforcement agences in the global fight against drug trafficking and money laundering 这是历来最大额的清洗怀疑贩毒黑钱案件，亦是本港警方与外地执法机构紧密合作及有效交换情报的成果。
