Complex sentence: He is best known for pulling off many kidnappings of business tycoons and their family members, including Walter Kwok, chairman of Sun Hung Kai Properties and Victor Li Tzar-kuoi, son of Li Ka Shing.
Split into simpler sentences: He is best known for pulling off many kidnappings of business tycoons and their family members. It was said that victims including Walter Kwok, chairman of Sun Hung Kai Properties and Victor Li Tzar-kuoi, son of Li Ka Shing.