From Reuters:
Beijing repatriated 19 Taiwanese suspected of fraud, illegal entry and drug trafficking on Tuesday after the island sent two convicted aircraft hijackers back to China where they face new trials and possible execution.
The swap was rare cooperation in crime fighting between Taiwan and China, diplomatic rivals since their split in 1949 amid civil war. The two governments are not on speaking terms, but trade, investment and tourism have blossomed. [Full Text]
See also the People’s Daily article and the 1990 Red Cross Jinmen Accord that allows Taiwan and China to repatriate criminals.