Vincent Cheng Kim Chuan (钟金全) is a Singaporean Catholic social worker who was detained under the Internal Security Act during the 1987 Operation Spectrum for three years.
Vincent Cheng Kim Chuan (钟金全) is a Singaporean Catholic social worker who was detained under the Internal Security Act during the 1987 Operation Spectrum for three years. (en)
Vincent Cheng Kim Chuan (钟金全) is a Singaporean Catholic social worker who was detained under the Internal Security Act during the 1987 Operation Spectrum for three years. (en)