Technology a game-changer in solving China's cold cases

NANJING - A man's decomposed body parts were found in an open space in Kunshan, Jiangsu province, in December 2011.

Police collected DNA samples at the scene, hoping the evidence would unlock the secret of the man's identity, but the investigation stalled over a lack of technology.

Thanks to facial recognition software, police came up with a possible identity last year and compared the DNA samples with the people thought to be his parents. It was a match.