A 26-year-old man has been arrested at Sydney International Airport accused of participating in the shooting death of a father in front of his young son.
According to police, the man was intercepted while attempting to fly to Vietnam.
The man has been accused of organising the getaway cars the shooters used to flee the scene and assisting with planning the crime.
Taha Sabbagh was shot and killed inside his Mercedes outside of a martial arts gym in Sefton, Sydney.
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