Taekwondo instructor killed his 7-year-old student and the boy's
parents, Sydney police say
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Kwang Kyung Yoo, owner of the Lion's Taekwondo and Martial Arts
Academy and known to his students as Master Lion, will eventually be
charged with three counts of murder, Homicide Detective Superintendent
Daniel Doherty said.
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Police allege Yoo killed Min Cho, 41, and her son at his academy after
a class on Monday before driving to their home, where he killed Cho's
husband and the boy's father, Steven Cho, 39. Police did not
officially release the victims' names, but the adults were identified
in media reports.
https://apnews.com/article/sydney-family-killings-south-korea-taekwondo-7d1f5624d16bc0b94c3f72df5f81e2c8