Mitchell Callaway was arrested in Bowraville this morning in relation to the death of a nine-month-old girl who was found unresponsive when emergency services were called to a home in Binnaway near Coonabarabran in 2018.
The baby was taken to Coonabarabran Hospital where staff tried to save her but she died a short time later.
Strike Force King was established to investigate the circumstances surrounding the baby’s death and executed a search warrant at a Binnaway home on May 31 after receiving new information.
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Callaway was taken to Macksville Police Station and charged with murder.
He has been refused bail.
He is expected to appear at Macksville Local Court later today.