North Korea and China are reportedly working together more closely to arrest North Korean defectors in China.<br />Voice of America cited numerous sources as saying... the ways North Korea and China's cooperate are becoming more diversified,... and include sending defectors to South Korea to work as spies.<br />VOA also reported that there has been a growing number of cases where a captured defector will be released to infiltrate another group of North Korean defectors to leak information and have them caught.<br />The report said the allies' closer cooperation is why 7 defectors were recently caught by the Chinese police.<br />They're now at risk of being sent back to the North. <br />