Other mechanisms liaison and co - ordination have been strengthened through the establishment of a network of 21 law enforcement agencies at the municipal level resulting in the following : - enhanced pursuit of suspects and fugitives through border controls using advanced technology , resulting in a total of 285 arrests since 1998 推行追逃工作机制，对在逃犯罪嫌疑人，通过公安机关上纲通缉、边控、技术侦查等办法寻找在逃犯罪嫌疑人， 1998年以来，共抓获外逃罪犯共285人。
