Taekwondo instructor who murdered boy, 7, and parents jailed

16 Dec 2025 • 7:54 PM MYT
The Independent
The Independent

The world’s most free-thinking newspaper

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  • Sydney taekwondo instructor Kwang Kyung Yoo was sentenced to life imprisonment without parole for the murder of a seven-year-old student and his parents.
  • Justice Ian Harrison stated that Yoo was motivated by jealousy over the family's financial success and that his culpability was so extreme that a life sentence was the only appropriate outcome.
  • Yoo pleaded guilty to the three murders, which occurred in February last year, and had no prior criminal record.
  • He strangled the boy and his 41-year-old mother at his taekwondo academy, then drove the mother's car to the family home where he stabbed the 39-year-old father to death.
  • The judge noted Yoo's history of fabricating stories about his success and his expressed remorse, but emphasised the 'horrific and violent acts' perpetrated without compassion.

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