A third person has now been charged after Brisbane man Anthony Stott was allegedly held captive and tortured before he was hit and killed by a truck over the border.
Mr Stott was struck by the vehicle in the northbound lanes of the M1 near Cudgera Creek just after 7.00am on Monday, 10 February.
The incident was initially believed to be non suspicious, however further investigations led police to a nearby home on Kanes Road in Cudgera Creek, where they arrested a 38-year-old woman and a 46-year-old man.
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Both were charged with taking/detaining a person in company with intent to obtain advantage and remain before the courts.
At the time, police alleged the man and woman detained 43-year-old Stott and tied him to a chair at the property.
Following further inquiries, a 49-year-old man handed himself into Tweed Heads Police Station yesterday.
He has been charged with take/detain person in company with intent to obtain advantage occasion actual bodily harm.
The man has been refused bail to appear before Tweed Heads Local Court today.
Investigations into the circumstances surrounding the incident are ongoing.