Hsu Tzu-tsai, chief of Red China’s nine-man delegation to the International Congress for Welding Technique was maltreated, kidnapped and murdered because of trying to defect to the West.

The body first appeared on a sleepy Saturday afternoon in mid-July. A Dutch businessman driving home from work spotted it on the sidewalk outside the house at No. 17 Prince Maurice Lane, a stately residential avenue in The Hague. He stopped. The street was deserted. He ran to the house…